12 Best 2 Stroke Outboard Motors (October 2026)

By: Asher Stone / 
Updated: September 28, 2026

The best 2 stroke outboard motors for 2026 are still the only realistic way to put meaningful thrust on a small boat without adding a hundred pounds of dead weight to the transom. A two-cycle engine fires once every two crankshaft revolutions and lubricates itself by mixing oil into the fuel, which is why a 3.5 hp motor in this roundup weighs 21.6 pounds while a comparable four-stroke feels like a brick in your hands.

I spend a lot of time on small-boat setups, and the honest truth is that the decision comes down to three questions: how much thrust do you need, how tall is your transom, and how much do you care about the oil going into the tank. Get those right and everything else is preference. Get them wrong and no brand name saves you.

Below I have gone through twelve short-shaft two-stroke outboards currently on the market, checked the published specifications, and matched them against real owner feedback. I have also included the horsepower-to-hull matching and shaft-length guidance that no ranking page on this topic bothers to cover, because those two numbers decide whether a motor fits your boat at all.

One thing to clear up early: the 3.5 hp to 40 hp range covered here is the whole of what you can realistically buy new today. Big-brand two-strokes in the 70 to 150 hp class stopped appearing in showrooms years ago, and the brands that once sold them have moved on. If you need that much power, you are shopping four-strokes, and this guide is not for you.

Our Top 3 Two-Stroke Outboard Motors in 2026

EDITOR'S CHOICE
HANGKAI 12HP 2-Stroke Short Shaft

HANGKAI 12HP 2-Stroke Short...

★★★★★★★★★★4.4
  • 12 hp 169cc engine
  • Water cooled with anti-vortex plate
  • CDI ignition
  • 24L fuel tank
TOP RATED
BJTDLLX 12HP 2-Stroke Short Shaft

BJTDLLX 12HP 2-Stroke Short...

★★★★★★★★★★4.6
  • 661-1763 lbs thrust
  • 5500 rpm
  • Fitted silencer
  • Continuous gears
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The 12 hp HANGKAI takes the top slot because it does the most useful things well: real thrust, a large external tank that keeps the refuelling stops down, and an owner base large enough that the rating means something. The 18 hp BJTDLLX is the pick when you need more power than a dinghy can use, and the second 12 hp BJTDLLX is the one to buy if you care about how the engine sounds and feels at cruise.

Comparing 12 Two-Stroke Outboard Motors Side by Side in 2026

ProductHighlightsAction
HANGKAI 12HP 2-Stroke Short ShaftHANGKAI 12HP 2-Stroke Short Shaft
  • 12 hp 169cc
  • Water cooled
  • CDI ignition
  • 24L tank
Check Latest Price
BJTDLLX 18HP 2-Stroke Short ShaftBJTDLLX 18HP 2-Stroke Short Shaft
  • 18 hp 246cc
  • 40cm shaft
  • 360 degree steering
  • 24L tank
Check Latest Price
BJTDLLX 6HP 2-Stroke Short ShaftBJTDLLX 6HP 2-Stroke Short Shaft
  • 6 hp water cooled
  • Pushes up to 1000KG
  • Cast aluminum
  • CE certified
Check Latest Price
CheriMuMu 3.5HP 2-StrokeCheriMuMu 3.5HP 2-Stroke
  • 3.5 hp 49cc
  • 21.6 lbs
  • 80 dB running
  • 0.3 gal/h
Check Latest Price
BJTDLLX 12HP 2-Stroke Short ShaftBJTDLLX 12HP 2-Stroke Short Shaft
  • 12 hp 169cc
  • 661-1763 lbs thrust
  • Silencer
  • 5500 rpm
Check Latest Price
Goudergo 6HP 102cc 2-StrokeGoudergo 6HP 102cc 2-Stroke
  • 6 hp 102cc
  • 45.7 lbs
  • 360 degree tiller
  • Built-in 2.5L tank
Check Latest Price
HANGKAI 18HP 2-Stroke Short ShaftHANGKAI 18HP 2-Stroke Short Shaft
  • 18 hp 246cc
  • 8 inch prop
  • 180-day warranty
  • 6.34 gal tank
Check Latest Price
Eapmic 3.5HP 2-StrokeEapmic 3.5HP 2-Stroke
  • 3.5 hp 49cc
  • No neutral gear
  • Fresh and saltwater
  • 1-year warranty
Check Latest Price
HANGKAI 3.5HP 2-StrokeHANGKAI 3.5HP 2-Stroke
  • 3.5 hp 49cc
  • 21.6 lbs
  • Two-year warranty
  • 0.3 gal/h
Check Latest Price
dkfgtna 2.3HP 2-Strokedkfgtna 2.3HP 2-Stroke
  • 2.3 hp 52cc
  • 40-70 min runtime
  • Gear start protection
  • Lift and tilt
Check Latest Price
Arrow Tec Enduro 20HP 2-StrokeArrow Tec Enduro 20HP 2-Stroke
  • 20 hp 275.99cc
  • Adjustable tiller
  • F/N/R shifting
  • One-year warranty
Check Latest Price
NURSIA 40HP 2-StrokeNURSIA 40HP 2-Stroke
  • 40 hp 498cc
  • 20 inch shaft
  • 150 lbs
  • Corrosion-resistant coating
Check Latest Price
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Two patterns jump out of that table. Every engine here is short shaft, so every engine here is limited to transoms around 17 inches or less. And every engine is recoil or pull start with tiller steering, because that is where this horsepower class lives.

1. HANGKAI 12HP 2-Stroke Short Shaft - The Best Overall Pick

EDITOR'S CHOICE
HANGKAI 12HP Outboard Motor 169CC 2 Stroke Heavy...

HANGKAI 12HP Outboard Motor 169CC 2 Stroke Heavy...

★★★★★★★★★★4.4 / 5

12 hp 169cc

4500-5500 rpm

Water cooled

24L fuel tank

72.8 lbs

Check Price

What we like

  • Strong 12 hp thrust with stepless gear selection
  • Large 24L tank cuts refuelling stops
  • CDI ignition starts reliably
  • Overheat protection and anti-vortex plate
  • Works across inflatable
  • fiberglass
  • wood and metal hulls

What could be better

  • Manual pull start and tiller only
  • 72.8 lbs is awkward to mount solo
  • Needs disciplined 2-stroke oil mixing
  • Limited to transoms of 17.32 inches or less
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This is the motor I keep coming back to for anyone with a 12 to 16 foot boat. Twelve horsepower is the sweet spot in the short-shaft two-stroke world: enough to get a loaded hull up on plane, small enough that one person can still lift it onto the transom, and a power band that a lot of skiff and jon boat hulls are actually rated for.

The 169cc single cylinder runs between 4500 and 5500 rpm, and it comes with a 24L external fuel tank. That tank matters more than it sounds. Owners report running three-hour sessions without hunting for a spare can, and at roughly 1.18 gallons per hour that fuel figure works out to a range most people never reach.

Water cooling and overheat protection are what separate this from a cheap clone

The anti-vortex plate and water cooling setup keep the cylinder head temperature stable during long runs, and there is explicit overheat protection in the design. On a shallow, hot, slow-moving day, which is exactly when a small boat motor is working hardest, that cooling is the difference between a motor that keeps running and one that seizes.

Stepless forward, neutral and reverse means you are not clunking through three gates every time you change direction. For someone new to outboards, that single feature removes more frustration than any amount of extra horsepower.

Where the 72.8 pound weight becomes a real problem

At 72.8 pounds this is not a one-hand lift. If you are launching solo every weekend, or moving the motor between two boats, that weight will get old fast. Plan for a two-person lift, or look at the CheriMuMu 3.5 hp if portage matters more than speed.

Reviewers report dependable CDI starting and clear forward, neutral and reverse response. The lower-rated feedback tends to point at setup and oil mixing rather than outright engine failure, which tells me the learning curve here is the issue, not the hardware.

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2. BJTDLLX 18HP 2-Stroke 40cm Short Shaft - Best for Medium Fishing Boats

BEST VALUE
BJTDLLX Outboard Boat Motors, 2 Stroke 18HP...

BJTDLLX Outboard Boat Motors, 2 Stroke 18HP...

★★★★★★★★★★4.1 / 5

18 hp 246cc

13.2 kW max output

5000-6000 rpm

40cm shaft

24L tank

Check Price

What we like

  • Highest horsepower in the short-shaft class at 18 hp
  • Water cooling aids long runs
  • 360 degree steering with reverse without shifting
  • Generous 24L fuel capacity

What could be better

  • 38.6 kg is heavy for solo transom handling
  • 18 percent of ratings are one star
  • Manual tiller and pull start only
  • Needs strict 50:1 oil mixing and carb draining
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Eighteen horsepower on a short shaft is the ceiling of what this format can do, and this is the engine to buy if your boat is heavy enough that a 12 hp leaves you labouring. The 246cc single cylinder puts out 13.2 kW at 5000 to 6000 rpm, which is a genuinely different feeling from the 12 hp units when you are loaded with fuel, tackle and two people.

Owner feedback is genuinely split on this one. Around 74 percent of ratings are five stars and buyers love the raw output and the compact 40cm packaging, but 18 percent sit at one star, which is a wider spread than any other engine here. Expect to read the manual before the first run.

The 50:1 mixing ratio is non-negotiable on this engine

Two-stroke special oil at 50:1 is the specified ratio, and the engine also wants its carburetor drained after use. Get that wrong and you are looking at deposits inside the port and a rebuild. If premixing discipline is not something you trust yourself with, an oil-injected design would serve you better.

One genuinely nice touch is the reverse-without-shifting arrangement. Rotating through 360 degrees and engaging reverse without dropping a gear is easier on a small hull than a conventional F-N-R gate, and it keeps the throttle from snagging in neutral when you are backing into a ramp.

Outboard Boat Motors, 2 Stroke 18HP Outboard Motor Boat Motor, 246CC Heavy Duty Fishing Boat Engine Marine Engine with CDI Ignition System Water Cooling System, 40CM/16inch Short Shaft customer photo 1

For a hull of this size, the fuel system matters as much as the engine. The 24L tank is generous enough that a full day of fishing does not require a second container, and the gear oil is factory filled with a check recommended every ten hours.

Outboard Boat Motors, 2 Stroke 18HP Outboard Motor Boat Motor, 246CC Heavy Duty Fishing Boat Engine Marine Engine with CDI Ignition System Water Cooling System, 40CM/16inch Short Shaft customer photo 2
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3. BJTDLLX 6HP 2-Stroke Short Shaft - Best for Dinghies Under 1000KG

BEST FOR DINGHIES UNDER 1000KG
BJTDLLX 6HP Outboard Motor, 2 Stroke 6HP Heavy...

BJTDLLX 6HP Outboard Motor, 2 Stroke 6HP Heavy...

★★★★★★★★★★4.0 / 5

6 hp

Pushes boats to 1000KG

Cast aluminum

Water cooled

CDI ignition

Check Price

What we like

  • Good thrust for dinghies and small fishing boats
  • Cast aluminum resists corrosion
  • 360 degree steering makes tight docking simple
  • Stepless speed control with reverse gear
  • CE certification and origin certificate supplied

What could be better

  • Weakest five-star share in the set at 54 percent
  • Meaningful share of lower ratings
  • 2.5L fuel capacity is small
  • No manufacturer warranty offered
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Six horsepower is the number most people actually need. If your dinghy weighs under 1000KG, this is more than enough to get it moving, and the aluminum construction means it does not care much about being splashed with salt water on the way to the launch ramp.

The rating here is the lowest average in the set at 4.0, but the distribution tells a more useful story: 54 percent five star, 20 percent four star, and a meaningful cluster of three-star and one-star ratings. That is a spread, not a ceiling, and the complaints that show up repeatedly are about start-up behaviour and carburetor attention.

360 degree steering is the feature that matters at this power level

At six horsepower you are manoeuvring in close quarters more than you are racing. Being able to swing the whole motor head through a full circle and back out without shifting is what makes backing out of a crowded ramp bearable, and this engine has it.

The 2.5L fuel capacity is the practical weak point. It is fine for a morning on a small lake and genuinely annoying on a full day, so budget on carrying a reserve can if you fish far from a ramp.

6HP Outboard Motor, 2 Stroke 6HP Heavy Duty Outboard Boat Motor Engine, Fishing Inflatable Fishing Boat Power Engine with Water Cooling & CDI Ignition System -Short Shaft customer photo 1

Cast aluminum is the right material for a transom-mounted motor that will sit in salt spray between trips, and the manufacturer supplies a CE certificate and certificate of origin, which matters if you are documenting the engine for a boat registration abroad.

6HP Outboard Motor, 2 Stroke 6HP Heavy Duty Outboard Boat Motor Engine, Fishing Inflatable Fishing Boat Power Engine with Water Cooling & CDI Ignition System -Short Shaft customer photo 2
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4. CheriMuMu 3.5HP 2-Stroke - Best for Kayaks and Small Inflatables

BEST FOR KAYAKS AND INFLATABLES
2 Stroke 3.5HP Outboard Motor, 49CC Heavy Duty...

2 Stroke 3.5HP Outboard Motor, 49CC Heavy Duty...

★★★★★★★★★★4.1 / 5

3.5 hp 49cc

21.6 lbs

Up to 5000 RPM

80 dB

0.3 gal/h

Check Price

What we like

  • Lightest full-size option at 21.6 lbs
  • Low fuel burn near 0.3 gallons per hour
  • Water and air cooling with overheat protection
  • Mixing bottle and tool kit in the box
  • CDI ignition starts quickly

What could be better

  • Only 3.5 hp limits hull size
  • 15 percent of ratings sit at three stars
  • 90-day warranty is the shortest here
  • 1.3L fuel tank is small
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This is the motor I recommend to anyone whose boat lives in a car rack and whose arms are not what they used to be. At 21.6 pounds, it is genuinely carryable by one person, and at 0.3 gallons per hour you can run it for hours without thinking about fuel.

It comes with the full kit in the box, including a fuel oil mixing bottle, funnel, tool set and spare pull rope. That sounds trivial until you are standing at a ramp at first light realising you left the mixing bottle at home.

Around 80 decibels is unusually quiet for a two-stroke

The large anechoic cover is the reason for the 80 dB figure, and it makes a real difference on an inflatable where there is no engine compartment to deaden anything. On a kayak motor mount, that translates into a boat you can actually listen to birds on.

Combined water and air cooling with overheat protection is sensible engineering for an engine that will spend its life running at low load and high temperature. The three-blade propeller reduces drag and the simple clutch throttle lever is easy to learn.

2 Stroke 3.5HP Outboard Motor, 49CC Heavy Duty Fishing Boat Engine customer photo 1

Worth knowing for sizing: at 49cc with a 1.3L tank, this motor is built for craft in the dinghy and tender category rather than anything you would take offshore. The included kit covers the field for a first-time owner.

2 Stroke 3.5HP Outboard Motor, 49CC Heavy Duty Fishing Boat Engine customer photo 2
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5. BJTDLLX 12HP 2-Stroke Short Shaft - Best for Smooth, Quiet Cruising

MOST VERSATILE
BJTDLLX Short Shaft Outboard Motor, 2 Stroke 12 HP...

BJTDLLX Short Shaft Outboard Motor, 2 Stroke 12 HP...

★★★★★★★★★★4.6 / 5

12 hp 169cc

5500 rpm

661-1763 lbs thrust

27 kg

Silencer fitted

Check Price

What we like

  • Highest average rating in the group at 4.6
  • Zero two or three star ratings reported
  • Strong 661-1763 lbs thrust range
  • Silencer and vented cooling for smoother running
  • Lowest negative rating share here at 6 percent

What could be better

  • No manufacturer warranty offered
  • 27 kg is demanding to mount one-handed
  • Tiller control and manual start only
  • Hull length limited to about 19.69 feet
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If you read one section and skip the rest, read this one. This is the most consistent engine in the group: 4.6 average, 75 percent five star, and not a single two or three star rating in the sample. That kind of distribution, at this horsepower, is rare.

The published thrust range is 661 to 1763 pounds at 5500 rpm across an 8 to 30 km/h speed band, and it suits boats up to 19.69 feet. The aluminum construction is described as resistant to fracture, corrosion and acid, which matters if you are launching in brackish or dirty water.

The fitted silencer is the reason it sounds different

Two-strokes are loud because the exhaust pulse fires every other revolution. A fitted silencer plus a vented water-cooling design is what owners credit for the smoother, quieter cruise, and that is a meaningful difference on a long run across open water.

Three continuously variable gears for forward, neutral and reverse give stepless speed changes rather than three fixed positions. For a boat that spends a lot of time at cruise just below planing speed, that is the feature you will notice most.

Short Shaft Outboard Motor, 2 Stroke 12 HP Outboard Boat Motor, 169CC Heavy Duty Fishing Boat Engine Marine Engine Tiller Control Motor with Water Cooling & CDI Ignition System customer photo 1

The vented water-cooling design also feeds into how long the engine holds its rated output on a hot day, which is the difference between a motor that will run a full fishing day and one you come back from early.

Short Shaft Outboard Motor, 2 Stroke 12 HP Outboard Boat Motor, 169CC Heavy Duty Fishing Boat Engine Marine Engine Tiller Control Motor with Water Cooling & CDI Ignition System customer photo 2
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6. Goudergo 6HP 102cc 2-Stroke - Best for Shallow Mud Water

BEST FOR SHALLOW MUD
6Hp 2 Stroke Outboard Motor Engine, 102CC Gasoline...

6Hp 2 Stroke Outboard Motor Engine, 102CC Gasoline...

★★★★★★★★★★4.8 / 5

6 hp 102cc

4.4 kW at 4500-5500 rpm

45.7 lbs

Built-in 2.5L tank

Check Price

What we like

  • Ballless recoil start with no battery to fail
  • 360 degree tiller steering
  • Lightweight for a water-cooled six hp
  • Complete kit with tools and mixing bottle
  • Manual tilt for shallow water

What could be better

  • Only 5 reviews so the rating is thin
  • No manufacturer warranty offered
  • Built-in 2.5L tank limits long sessions
  • Stern plate height limited to 17 inches
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This is the mud motor of the group, and for good reason. At 45.7 pounds with manual tilt for shallow water, it is the engine I would pick for duck blinds, shallow creeks and anything where you are putting the prop near the bottom.

Its 4.8 rating is the joint highest here, but it comes from five reviews, so read it as encouraging rather than conclusive. The design is the reason for the score, not the volume of feedback behind it.

No battery and no electric starter means fewer ways to fail

CDI capacitor discharge ignition with a manual recoil start means there is no battery, no starter motor and no solenoid to go bad in the middle of a marsh. On a backwater boat where the motor is the only thing between you and being late, that simplicity is worth more than convenience features.

Reverse engages by rotating the motor head 180 degrees rather than through a gear gate, and the water cooling with optimised air intake handles sustained low-speed running well. The 25:1 run-in ratio before switching to 50:1 is written into the spec, and you need to follow it.

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7. HANGKAI 18HP 2-Stroke Short Shaft - Best for Long Days on the Water

TOP RATED
HANGKAI 18HP Outboard Motor, 2 Stroke Fishing Boat...

HANGKAI 18HP Outboard Motor, 2 Stroke Fishing Boat...

★★★★★★★★★★4.8 / 5

18 hp 246cc

13.2 kW to 5500 rpm

8 inch propeller

180-day warranty

Check Price

What we like

  • 4.8 average with no one or two star reports
  • Highest rated 18 hp short-shaft option here
  • 6.34 gallon tank supports long sessions
  • Stepless speed regulation with simple shifting
  • Longest warranty coverage among short-shaft units

What could be better

  • 46 kg is the heaviest mid-range engine here
  • Only 10 reviews behind the rating
  • Model number metadata reads 30HP on an 18HP listing
  • Manual start and tiller only
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Same 18 hp power as the BJTDLLX, but this one is the better-built of the pair. The rating is 4.8 with 82 percent five star and zero one or two star reports, and it carries a 180-day warranty where most competitors in this list offer nothing at all.

The 8 inch three-blade propeller is designed to cut water resistance, and the listed burn rate of 1.18 gallons per hour against a 6.34 gallon tank gives you a real long-range profile. Owners report smooth gear changes and good fuel economy for the class.

Why the warranty matters more than the rating

A 180-day warranty on a marine engine is not generous by industry standards, but it is the only meaningful coverage offered by any short-shaft unit here. On a two-stroke, most failures that happen at all happen early, so a warranty that covers the first season is doing real work.

One detail to check before you buy: the model number on this listing reads 30HP even though the engine is 18HP, and the manufacturer part number matches the power output rather than the model line. That inconsistency is a catalogue artefact, but confirm with the seller that you are receiving the 18 hp short shaft and not a different variant.

HANGKAI 18HP Outboard Motor, 2 Stroke Fishing Boat Engine Water Cooling 246CC Heavy Duty Marine with CDI Ignition System Water, 5000-6000 r/min customer photo 1

The complete box contents are worth noting as well: flameout rope, oil pipe, sealing ring, paper pad, spark plug, start rope, water pump impeller, cotter pin, fuel tank and an English manual. Having the spare impeller and spark plug in the box on day one saves a trip to a marine parts counter.

HANGKAI 18HP Outboard Motor, 2 Stroke Fishing Boat Engine Water Cooling 246CC Heavy Duty Marine with CDI Ignition System Water, 5000-6000 r/min customer photo 2
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8. Eapmic 3.5HP 2-Stroke - Best for Auxiliary Trolling Use

BEST FOR AUXILIARY USE
2 Stroke 3.5HP 49CC Outboard Motor Boat Engine...

2 Stroke 3.5HP 49CC Outboard Motor Boat Engine...

★★★★★★★★★★4.4 / 5

3.5 hp 49cc

2.5 kW output

40cm short shaft

Salt and freshwater

1-year warranty

Check Price

What we like

  • One-year warranty is among the longer coverages offered
  • Works as main power or auxiliary trolling unit
  • Suitable for fresh and salt water
  • Simple 0 to 180 degree clutch handle control
  • Compact 83cm overall length

What could be better

  • No neutral gear
  • only idle or low-speed mode
  • Gear oil not supplied and must be added first
  • Only 6 reviews behind the 4.4 rating
  • 30 percent of ratings are three star with no four star
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The distinction that sets this one apart is the salt and freshwater rating. Owners run it on both, which makes it a sensible second motor to carry for a boat that splits its season between an estuary and an inland lake.

Its 0 to 180 degree clutch handle control is simple to learn, and the whole unit is 83cm long, so it tucks into a transom bracket without taking up deck space. The one-year warranty is also longer than most in this horsepower class.

There is no neutral gear, and you need to plan around that

Without a neutral position you idle or you move. That is a genuine handling limitation, not a minor one, because you cannot creep up to a dock or step out of a launch ramp the way you can with a proper F-N-R motor. Know that before you pick it.

Gear oil is not included and has to be added by the buyer before first use, then replaced after the 10 hour run-in period. The propeller is a 7-1/4-5 inch with a 2:1 ratio, and the specified fuel to oil ratio is 35:1.

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9. HANGKAI 3.5HP 2-Stroke - Best for Towing a Small Sailboat

BEST FOR SAILBOAT TOWING
HANGKAI Outboard Motor, 2-Stroke 3.5HP Heavy Duty...

HANGKAI Outboard Motor, 2-Stroke 3.5HP Heavy Duty...

★★★★★★★★★★4.2 / 5

3.5 hp 49cc

2.5 kW at 5000 rpm

21.6 lbs

Two-year warranty

0.3 gal/h

Check Price

What we like

  • Longest warranty coverage in the set at two years
  • Owners report pushing a 17 foot sailboat at 4-5 mph
  • Fuel efficient at 0.3 gallons per hour
  • Reliable first-pull starting reported
  • Spare pull rope and full tool kit included

What could be better

  • Supplied plastic propeller is widely criticised
  • Some reports of a starter part breaking on first use
  • One report of an engine dying under two hours
  • Listing describes the motor as freshwater only
  • Some owners received 4 hp rather than 3.5 hp
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Owners of this motor report pushing a 17 foot sailboat at 4 to 5 mph, and that single data point tells you more than the horsepower number does. It is a genuine auxiliary motor, not a backup that only works in a flat calm.

The two-year warranty is the longest offered anywhere in this roundup, and at 21.6 pounds it is easy to lift between boats. Burn rate of 0.3 gallons per hour keeps a full day of motoring cheap in fuel terms.

Plan on replacing the supplied propeller

The recurring upgrade request in owner feedback is swapping the supplied plastic three-blade propeller for a metal one. Plastic props are fine for gentle work and get chewed up quickly in grass, sand and gravel, which is exactly where a sailboat tender spends its life.

Two other things to weigh. The listing describes this motor as fresh water only, so if your boat lives in the sea that is a conversation to have with the seller. And a small number of owners report a starter part breaking and an engine that would not restart, so keep the spare pull rope somewhere you can reach it.

HANGKAI Outboard Motor, 2-Stroke 3.5HP Heavy Duty Fishing Boat Engine, Manual Start Boat Engine, Outboard Boat Motor Short Shaft Boat Motor with CDI Ignition System Water Cooling System customer photo 1

The 36 by 14.17 by 5.9 inch footprint is genuinely small, and combined with a 6.7 inch three-blade propeller it mounts cleanly on a small transom plate without needing to shift existing hardware around.

HANGKAI Outboard Motor, 2-Stroke 3.5HP Heavy Duty Fishing Boat Engine, Manual Start Boat Engine, Outboard Boat Motor Short Shaft Boat Motor with CDI Ignition System Water Cooling System customer photo 2
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10. dkfgtna 2.3HP 2-Stroke - Best Entry-Level Motor for Tiny Boats

BUDGET PICK
2.3HP 2 Stroke Outboard Motor, 52CC Gas Powered...

2.3HP 2 Stroke Outboard Motor, 52CC Gas Powered...

★★★★★★★★★★5.0 / 5

2.3 hp 52cc

Up to 8500 rpm

40-70 min runtime

0.22 gal tank

Check Price

What we like

  • Compact and simple for dinghies and inflatables
  • Gear start protection and clutch prevent prop idling
  • Lift and tilt function aids shallow water
  • Cooling holes plus air cooling reduce heat
  • Complete toolkit and mixing bottle included

What could be better

  • Only 4 reviews
  • the smallest sample here
  • 2.3 hp is the least powerful unit covered
  • 0.22 gallon tank gives just 40 to 70 minutes
  • No weight or dimensions published
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Two point three horsepower sounds trivial until you realise what it is for: a small tender, an inflatable, or getting a small craft across a shallow flat. In that role it does the job, and the design is refreshingly simple with no battery and no electric starter to go wrong.

Its perfect 5.0 rating comes from four reviews, so treat it as a clean sample rather than a proven track record. What the four owners do agree on is that it starts on the first pull and packs small.

Gear start protection is a small feature that prevents expensive mistakes

The clutch and gear start protection stop the propeller turning at idle. On a small inflatable, that is the difference between a motor that sits still while you load gear and one that walks the boat away from the dock, so it is worth more than it sounds on paper.

The honest limit is the fuel tank: 0.22 gallons gives you 40 to 70 minutes of runtime, which covers a trip across the bay and not much more. Carry a reserve, and treat the lift and tilt function as the reason this motor suits shallow water in the first place.

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11. Arrow Tec Enduro 20HP 2-Stroke - Best for Mid-Size Boats Needing Real Power

BEST FOR MID-SIZE BOATS
Arrow Tec Enduro 20HP Outboard Motor, Silver...

Arrow Tec Enduro 20HP Outboard Motor, Silver...

★★★★★★★★★★5.0 / 5

20 hp 275.99cc

Forward neutral reverse

Adjustable tiller

110 lbs

1-year warranty

Check Price

What we like

  • 20 hp suits medium to larger fishing and utility boats
  • Adjustable tiller handle improves leverage
  • Forward neutral and reverse at this power level
  • Propeller and tiller handle included
  • One-year warranty provided

What could be better

  • Listed 24 gallon fuel capacity is implausible for this class
  • Only 5 reviews behind the perfect rating
  • 110 lbs makes solo installation difficult
  • No published thrust or speed figures
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Twenty horsepower puts this into genuinely different territory. Owners describe it as suited to medium to larger fishing and utility boats, which is a step change from everything above it on this list.

The adjustable tiller handle is the detail that earns its keep. At 110 pounds, no one steers a 20 hp motor with wrist strength alone, and the adjustability gives you leverage rather than just a place to hang on.

Treat the published fuel capacity with suspicion

The listing quotes a 24 gallon fuel capacity, which is implausibly large for a 20 hp engine of this size and is almost certainly a data error in the catalogue entry. The fit-and-finish spec sheet is sparse on hard figures generally, with no published thrust or speed numbers, so plan to verify anything critical with the seller.

Perfect five star ratings across five reviews is encouraging but thin. What you can take at face value is the power class, the forward-neutral-reverse shifting, the built-in cooling system, and the fact that the propeller and tiller handle are included in the box.

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12. NURSIA 40HP 2-Stroke - Best for High Horsepower on a Budget

BEST FOR HIGH HORSEPOWER
NURSIA 40HP 2-Stroke Outboard Motor,manual...

NURSIA 40HP 2-Stroke Outboard Motor,manual...

★★★★★★★★★★5.0 / 5

40 hp 498cc

20 inch shaft

150 lbs

Corrosion-resistant coating

1-year warranty

Check Price

What we like

  • Highest horsepower unit covered at 40 hp
  • Corrosion-resistant marine-grade coating
  • Owner reports a 20 inch shaft
  • One owner cites strong value against name-brand pricing
  • Steady performance reported over a dozen outings

What could be better

  • Only 2 reviews
  • the smallest sample here
  • Rough idle at low revs that smooths above a quarter throttle
  • Mounting bolts reported loosening on the water
  • Needs lower-unit oil changes and zerk greasing
  • 150 lbs makes solo installation unrealistic
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Forty horsepower is the top of what this format offers, and at 150 pounds it stops being a portable motor and becomes a permanent piece of the boat. If you are shopping in this class, treat the motor as installed equipment, not as something you lift on and off.

One owner who has run it for a dozen coastal outings reports steady performance, and another cites a figure around a third of what a name-brand 40 hp costs. That comparison comes from a single owner rather than a survey, so treat it as one data point.

Plan a service schedule before you leave the dock

The reported rough idle at low revs smooths out above roughly a quarter throttle, which is normal enough for this class but worth knowing before you judge the engine. The lower-unit oil change and zerk fitting greasing requirement is not optional, and transom bolt tightening should be re-checked after the first few outings.

The 20 inch shaft note comes from owner reports rather than the published spec, and it matters a great deal. A 40 hp on a 20 inch shaft will not fit a 17 inch transom, so measure before you commit to this horsepower.

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How to Choose a 2-Stroke Outboard Motor That Fits Your Boat

Match horsepower to hull length and transom rating

Start with the transom plate rating, not the boat length. That stamped number is the manufacturer's maximum horsepower, and exceeding it is both unsafe and a warranty problem. As a rough guide, 3.5 to 6 hp suits dinghies and small inflatables, 9 to 12 hp covers jon boats and skiffs up to about 16 feet, 18 to 20 hp handles medium fishing and utility boats, and 40 hp is for hulls built to take it.

Owners on boating forums repeatedly ask the same question about top-end performance, and the answer is consistent: an under-powered motor bogs down and burns more fuel than a correctly sized one. Bigger is not automatically better, but under-sizing is a real and common mistake.

Measure your transom height before choosing a shaft

Shaft length is the number buyers most often get wrong, and no competitor roundup on this topic covers it. Measure from the top of the transom down to the boat's keel, then choose a shaft that puts the cavitation plate roughly level with the hull bottom. Too short and you cavitate constantly; too long and you drag in the water and lose thrust.

The shorthand is simple: a 15 inch shaft for transoms around 15 inches, 20 inch for around 20 inches, 25 inch for around 25 inches. Every engine in this roundup is a short shaft, and they are built for transoms of roughly 17 inches or less. The 40 hp NURSIA is the exception, with a 20 inch shaft reported by owners.

Understand carbureted versus injected fuel delivery

There are three generations of two-stroke fuel delivery and they change what you have to do. Carbureted engines are the simplest and need correct premixing. EFI systems meter oil into the fuel stream electronically, so you fill a tank with straight gasoline. DFI systems, which include designs like Yamaha HPDI, Tohatsu TLDI and Evinrude E-TEC, inject oil directly into the combustion chamber and are the cleanest running.

None of the engines on this list is DFI. They are all premix or oil-injected designs, which is why the oil guidance below matters for you specifically.

Get the oil right with TC-W3 premix

TC-W3 is the National Marine Manufacturers Association oil rating standard, and every engine in this roundup requires a TC-W3 rated two-stroke oil. Ratios vary by engine and by stage: the 6 hp Goudergo uses 25:1 during run-in then 50:1, the 18 hp BJTDLLX is specified at 50:1, and the 3.5 hp Eapmic runs 35:1. Check the manual for your specific engine before the first tankful.

Two-stroke motors are known for oil consumption and smoke, especially older carbureted units still in wide circulation. A modern water-cooled engine with CDI ignition runs much cleaner, but the mixing ratio is still your responsibility and getting it wrong causes expensive damage.

Check the used-buying signals before you commit

On a used two-stroke, run a compression test first and compare the reading to the manufacturer's spec. Then inspect the lower unit for water in the gear oil, check the impeller for eaten blades, and look for chafing in the wiring harness, which owners report causing at-sea failures on mid-size engines.

Ask whether the engine has been run in salt water and whether the powerhead gasket weeps. Confirm the hours if the seller knows them, and check that the propeller, pin and shear pin are the correct parts for the lower unit. Mechanics commonly see 50 hp two-strokes run 3000 to 4000 hours without major work, while 10000 hours is cited as the design life of a quality engine, so age matters less than hours and care.

Know who you should not buy a 2-stroke from

Some buyers should skip this format entirely. If you need more than 40 hp, if you want remote steering with integrated gauges, if you cannot find a dealer who will service the engine, or if you have no tolerance for premixing fuel, a four-stroke is the better purchase regardless of what the weight advantage says.

Brand support is worth researching before you buy. The large two-stroke brands have consolidated, and parts availability for any name that has left the market is the thing that catches new owners off guard. Ask a dealer for a parts price on a ten-year-old engine before you commit to a brand new one.

2-Stroke vs 4-Stroke: When the Two-Stroke Is Still the Right Call

Weight per horsepower is the whole argument

A two-stroke produces roughly twice the power per pound of a comparable four-stroke, and that is not marketing. It is the direct result of firing on every other revolution instead of every fourth. On a boat you launch alone, that number decides whether the whole day is pleasant.

For trolling at low RPM, a two-stroke's power band drops lower than a four-stroke of similar size, which means less fuel burned per hour of slow fishing. That is the second most common reason owners stay with this format after the first season.

Oil handling decides the ownership experience

Buying new, a two-stroke costs less and needs no break-in period, which is a genuine saving in dealer time. Owning one, you are managing premix or an oil injection system that a four-stroke makes unnecessary. If you are comfortable with a mixing bottle, this is a non-issue. If you are not, budget for the learning curve.

Noise is a feature in some places and a problem in others

Two-strokes are loud, and owners debate whether that is a deal breaker. The counterargument comes from skiff anglers in manatee country, who specifically want a noisier engine because it gives wildlife advance warning of an approaching boat. In most other contexts, the silencer on the 12 hp BJTDLLX is the feature that tips the balance.

Frequently Asked Questions

What is the most reliable 2-stroke outboard motor?

Reliability in the modern short-shaft class tracks owner feedback consistency more than brand name. Among the engines in this roundup, the BJTDLLX 12 hp short shaft shows the most uniform results with a 4.6 average and no two or three star ratings, while the HANGKAI 18 hp short shaft pairs a 4.8 average with the only meaningful warranty coverage offered. Look for a water-cooled design, CDI ignition, a real warranty, and a dealer who will service the engine.

Can you still buy brand new 2-stroke outboard motors?

Yes, in the low and mid horsepower range. Engines from 2.3 hp up to roughly 40 hp are currently manufactured and sold new, and every motor in this roundup is a current model rather than a discontinued one. What has disappeared is the high horsepower 2-stroke, where the major brands moved to four-stroke-only lineups years ago. Above 40 hp, your realistic new-motor options are four-strokes.

How many hours will a 2-stroke outboard last?

It depends far more on service history than on hours alone. Mechanics commonly see 50 hp two-stroke engines run 3000 to 4000 hours without major work, while 10000 hours is cited as the design life of a quality outboard. Recreational use with regular oil changes and annual servicing sits at the long end of that range, and saltwater use shortens it noticeably compared with freshwater.

What is the best 2-stroke outboard motor?

For most buyers on a boat with a transom of 17 inches or less, the HANGKAI 12 hp 2-stroke short shaft is the best overall pick. It combines real 12 hp thrust from a 169cc engine, a large 24L external tank, water cooling with overheat protection, and CDI ignition, with a 4.4 average across 42 reviews. If you need a lighter motor for portage, the CheriMuMu 3.5 hp at 21.6 pounds is the alternative.

Do 2-stroke outboards need a break-in period?

No formal break-in is required, which is one of the practical advantages of this format. That said, several engines in this roundup do specify a richer initial fuel ratio. The Goudergo 6 hp runs 25:1 during run-in and then moves to 50:1, and gear oil should be added before first use and replaced after the first 10 hours on multiple models. Follow the manual for your engine.

What type of oil does a 2-stroke outboard need?

A TC-W3 rated two-cycle oil, which is the National Marine Manufacturers Association standard. Every engine in this roundup requires it, and none of them are direct fuel injection designs, which means you are responsible for the fuel to oil ratio. Specified ratios differ: 50:1 on the 18 hp BJTDLLX, 35:1 on the 3.5 hp Eapmic, and 25:1 during run-in on the Goudergo 6 hp.

Which 2-Stroke Outboard Should You Buy in 2026?

If you want one recommendation, take the HANGKAI 12 hp 2-stroke short shaft. It has the strongest combination of thrust, tank capacity, cooling and owner feedback volume in this roundup, and it fits the transoms most small boats actually have. Launch it solo, and that is the motor that works hardest for you.

If you need more power for a heavier hull, step up to the HANGKAI 18 hp short shaft for the warranty coverage and rating consistency. If portage matters more than speed, the CheriMuMu 3.5 hp at 21.6 pounds changes how you use a boat entirely. And if you need real horsepower above this class, the NURSIA 40 hp is where the short-shaft two-stroke format tops out.

Whatever you pick, measure your transom first, get TC-W3 oil, and know your mixing ratio before the first tankful. Those three steps prevent nearly every complaint you will find in the reviews above.

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