Best Four Stroke Outboard Motors for Small and Mid-Size Boats

#1 · Best Overall

1. BJTDLLX 6.5 HP Outboard

• Weight: 26 kg
• Operation Mode: Manual
• Material: Aluminum

Best for: Small-boat gear-control pick.

Why it ranks #1: Its 123CC, 6.5 HP four-stroke listing specifies water cooling and forward, neutral, and reverse gears for small-boat maneuvering.

Forward, neutral, and reverse gears give this BJTDLLX 6.5-hp outboard a useful control distinction for small boats, while its throttle handle allows variable speed adjustment or constant-speed cruising. Water cooling and a 123cc four-stroke engine round out its stated setup for inflatable boats and small yachts.

The three gear positions provide forward, neutral, and reverse selection, while the throttle handle supports infinite speed adjustment or constant-speed cruising. Together, those controls let operators change direction and pace without relying on a single fixed speed. Water-cooling technology is described as improving reliability, and the 6.5-hp, 123cc four-stroke specification identifies its small-engine class. Manual operation and a 26 kg listed weight should be considered when planning mounting and handling.

Skip it if you want a 4-hp engine for fishing or inflatable boats; the CLIENSY 4HP 4 Stroke Outboard Motor is listed for those uses.

A fit to consider for inflatable-boat and small-yacht operators who value reverse gear and flexible throttle control. Its 26 kg weight and manual operation remain relevant when planning transport, mounting, and use.

Listed on Amazon as: 4 Stroke Outboard Motor with Fuel Tank, 123CC 6.5HP Boat Motor Boat Engine Motor, Heavy Duty Outboard Motor Inflatable Marine Fishing Yacht Engine

#2 · Highest Load Claim

2. EnSyuSuMa 6.5 HP Outboard

• Weight: 26 kg
• Fuel Capacity: 12 liters
• Operation Mode: Manually
• Material: Aluminum

Best for: Higher-load 6.5-hp option.

Why it ranks #2: This 123CC water-cooled four-stroke lists a load capacity of up to 2,204 pounds, reverse gear, and a 12-liter fuel capacity.

A stated load capacity of up to 2,204 pounds gives this 6.5-hp, 123cc four-stroke a specific carrying distinction among the small motors here. Its three-blade propeller is described as balancing thrust and reducing drag, while manual steering and tilting let the operator adjust the motor by hand.

The stated 2,204-pound load capacity gives prospective owners a figure to compare with their boat and planned load, while the three-blade propeller is described as reducing drag and balancing thrust. Manual steering and tilting let the operator reposition the motor directly. A reverse gear is also specified for steering convenience, and neutral protection prevents the switch from being pulled while the motor is in forward or reverse, adding a stated control safeguard to the operating workflow.

Skip it if you need 12-hp output; the Nursia 12Hp 4-stroke Outboard Motor is listed at that rating.

A candidate for small-boat operators who want a 6.5-hp engine, manual steering and tilting, and reverse gear. Compare the stated 2,204-pound load limit with the boat and actual planned load.

Listed on Amazon as: 6.5HP 4 Stroke Hangkai Outboard Motor 123CC Aluminum Heavy Duty Boat Motor with Water Cooling System Fishing Boat Engine with Fuel Tank (4 stroke 6.5HP Motor+tank) black

#3 · Water-Cooled Compact

3. LIWBYYG 6.5 HP Outboard

• Fuel Capacity: 12 liters
• Material: Aluminum, Plastic

Best for: Compact-boat 6.5-hp pick.

Why it ranks #3: The 123CC, 6.5 HP four-stroke has water cooling, a 12-liter fuel capacity, and a stated load range of 661–1,653 pounds.

A water-cooled 6.5-hp, 123cc four-stroke pairs a three-blade propeller with a stated 661–1,653-pound load capacity. That combination gives inflatable-boat, kayak, and canoe users a compact engine option with thrust-balancing propeller design and cooling intended to help manage engine heat during operation.

The water-cooling system is specified to prevent overheating, supporting steadier operation, while the three-blade propeller reduces drag and balances thrust. Manual steering and tilting let the operator adjust direction and motor position by hand. Its listed 12-liter fuel capacity and 6.5-hp output describe a small-engine setup for compatible craft; the listing also notes that shipment arrives in two packages, so receiving and assembling the complete delivery is part of the workflow.

Skip it if you need a higher-output motor; the Nursia 20-HP Four Stroke Outboard Motor is listed at 20 horsepower.

A suitable candidate for owners of compatible inflatable boats, kayaks, and canoes who want a compact 6.5-hp motor with manual controls. Check the craft’s capacity and transom setup against the motor before choosing.

Listed on Amazon as: 4 Stroke 6.5HP Outboard Motor, 123CC Fishing Boat Engine Heavy Duty Outboard Marine Engines with CDI Ignition System & Water Cooling for Inflatable Boat Kayak Canoe (Shipped In Two Packages)

#4 · Lightest Listed

4. HANGKAI 6 HP Outboard

• Weight: 46.2 lb
• Material: Aluminium Alloy, Plastic

Best for: Shallow-transom 6-hp maneuvering.

Why it ranks #4: At 46.2 pounds, this 6 HP four-stroke is lighter than the listed 6.5 HP options and includes a 360-degree steering feature.

A 360-degree steering feature gives this HANGKAI 6-hp four-stroke a specific maneuvering focus, while its mounting clamp is listed for stern plates up to 1.57 inches thick. The air-cooled system and water baffle add practical details for owners of compatible small craft.

The 360-degree steering lets the operator turn the motor through a wide range, while the three-blade plastic propeller is described as balancing thrust and reducing drag. Its clamp secures the engine on a stern plate up to 1.57 inches thick, making transom thickness a clear installation check. Air cooling is the named cooling system, and the baffle above the propeller is intended to reduce wave splash reaching the operator’s clothes.

Skip it if you have a thicker stern plate; the BJTDLLX 6.5HP Outboard Motor is another listed small-boat option.

Consider this for small-craft operators who want 360-degree steering and splash reduction from a propeller-area baffle. The 1.57-inch stern-plate limit is a firm installation boundary to check before purchase.

Listed on Amazon as: HANGKAI 6HP 4-Stroke Heavy Duty Outboard Motor, Air Cooled System

#5 · Lowest Horsepower

5. CLIENSY 4 HP Outboard

• Operation Mode: Manual
• Material: Aluminum

Best for: Low-output fishing-boat motor.

Why it ranks #5: Its 4 HP, 55CC four-stroke offers a lower-power option for fishing and inflatable boats, with an air-cooling system and CDI ignition.

A 4-hp output and 55cc displacement set this CLIENSY four-stroke apart as the lowest-output option in this group. Its title specifies air cooling and CDI ignition, while the listing names fishing boats and inflatable boats as recommended uses, giving small-craft owners a straightforward engine category to assess.

The 4-hp rating and 55cc displacement identify a modest-output motor for the fishing and inflatable boats named in the listing. Air cooling is specified in the title, so the engine uses that stated cooling approach rather than the water-cooling systems listed on several other motors here. CDI ignition is also specified, providing a named ignition system to compare when evaluating the engine. Manual operation is listed, making hands-on control part of the operating setup.

Skip it if you need more than 4 hp; the LIWBYYG 6.5HP Outboard Motor is listed at 6.5 horsepower.

Consider it for fishing-boat or inflatable-boat owners whose plans suit a 4-hp, 55cc engine. Its manual operation and air-cooling system are important details to weigh against the boat and intended conditions.

Listed on Amazon as: 4HP 4 Stroke Outboard Motor Boat Engine, Heavy Duty 55CC Boat Motor with Air Cooling CDI System

#6

6. Nursia 12 HP Outboard

• Weight: 30 kg
• Fuel Capacity: 12 gallons
• Operation Mode: Manual
• Material: Aluminum

Best for: Ready-kit small-boat operator.

Why it ranks #6: The 12 HP four-stroke lists tiller steering and includes a fuel tank and engine oil, offering more power than the small-engine choices.

The included red fuel tank, engine oil, and accessories distinguish this Nursia 12-hp four-stroke package, giving small- and mid-size boat owners several stated essentials together. Its tiller steering and throttle control support hands-on direction and speed adjustments for fishing boats, dinghies, and inflatable watercraft.

The tiller handle combines steering with throttle control, letting the operator make directional and speed inputs from the motor’s handle. The package lists a red fuel tank and engine oil alongside accessories, which can simplify gathering the stated operating items before setup. At 30 kg, the motor’s listed weight matters when planning transport and mounting; its 12-gallon fuel capacity is another specification to consider when arranging onboard fuel storage and available space.

Skip it if you need a lighter listed engine; the LIWBYYG 6.5HP Outboard Motor is described as compact and lightweight.

Consider it for small- to mid-size boat operators who value tiller controls and a package listing fuel tank, oil, and accessories. Its 30 kg weight makes handling and mounting capacity important fit considerations.

Listed on Amazon as: NURSIA 12Hp 4-stroke Outboard Motor Engine with Fuel Tank

#7

7. NURSIA 20 HP Outboard

• Weight: 90 lb
• Fuel Capacity: 24 gallons
• Operation Mode: Manual
• Material: Aluminum

Best for: Medium-craft 20-hp option.

Why it ranks #7: This 20 HP four-stroke is described for medium-sized watercraft and lists a 90-pound weight and 24-gallon fuel capacity.

A 20-hp four-stroke engine gives this NURSIA-titled outboard its clearest distinction, with the listing identifying medium-sized watercraft as its intended fit. The supplied features also describe a high-performance propeller and compact, lightweight construction, connecting propulsion and handling considerations for boaters assessing a mid-range engine.

The listing says four-stroke technology provides fuel economy and quieter operation compared with two-stroke alternatives, which may matter during longer outings or when choosing an engine type. Its high-performance propeller is described as supporting thrust and fuel efficiency, tying propulsion design to on-water use. Compact, lightweight construction is also claimed for medium-sized watercraft, though the listed shipping weight is 90 pounds; factor that stated weight into transport and installation planning.

Skip it if you want a stated 60-hp output; the Nursia 60 HP Four Stroke Outboard Motor is listed at that power.

This may suit medium-watercraft owners comparing a 20-hp four-stroke and a propeller promoted for thrust and fuel efficiency. Its 90-pound listed weight and manual operation should factor into installation and use.

Listed on Amazon as: NURSIA 20-HP Four Stroke Outboard Motor, Boat Engine with Tiller Handle

#8

8. NURSIA 30 HP Outboard

• Weight: 90 lb
• Fuel Capacity: 24 gallons
• Operation Mode: Manual
• Material: Aluminum

Best for: Higher-output manual-boating choice.

Why it ranks #8: The 30 HP four-stroke suits buyers needing substantially more listed power and describes marine-grade construction for freshwater and saltwater.

The 30-hp four-stroke rating is the defining feature of this NURSIA-listed marine engine, giving boaters a higher-output option than the 6.5-hp motors in this roundup. Its listing also describes fuel efficiency, quieter operation than two-stroke alternatives, and marine-grade components for freshwater and saltwater environments.

The 30-hp output makes this a higher-power choice within the supplied lineup, while its four-stroke design is described as more fuel efficient and quieter than two-stroke alternatives. Marine-grade components are said to withstand saltwater and freshwater environments, a relevant consideration for varied boating locations. The listing identifies manual operation and a 90-pound weight, so operators should plan for hands-on controls and suitable lifting and mounting arrangements when preparing the boat.

Skip it if you need a listed 60-hp motor; the Nursia 60 HP Four Stroke Outboard Motor provides that stated output.

A candidate for boaters seeking 30-hp power and a motor described for freshwater and saltwater use. Its 90-pound listed weight and manual operation make mounting logistics and control preferences relevant boundaries.

Listed on Amazon as: NURSIA 30 HP Outboard Motor, 4-Stroke,Marine Engine, manual start,Dark Blue

#9

9. Nursia 60 HP Outboard

• Weight: 112 kg
• Fuel Capacity: 23.99 gallons
• Operation Mode: Manual
• Material: Aluminum

Best for: High-output 60-hp boat engine.

Why it ranks #9: Its 60 HP rating targets boats needing far more power than small inflatables, while the listing reports a 112 kg weight and 23.99-gallon capacity.

Rated at 60 horsepower, this NURSIA four-stroke targets boaters seeking substantially more listed output than the small-boat motors in this roundup. The supplied description highlights smooth power delivery and durable construction, while its manual operation and 112-kg listed weight shape the practical handling and installation picture.

The 60-hp rating is presented as ample thrust for a wide range of boat sizes and water conditions, making the boat’s intended use and capacity central to selection. Its four-stroke design is described as delivering smooth, efficient power, while robust housing is intended to withstand regular marine use. Manual operation means the operator works the controls directly; at 112 kg, the listed weight also calls for a suitable mounting setup and planned lifting arrangements.

Skip it if you need an engine below 30 hp; the NURSIA 30 HP Outboard Motor is the lower-output option here.

This is for boaters whose vessel and use call for the listed 60-hp output and who can accommodate a 112-kg motor. Manual operation and mounting capacity are important fit considerations.

Listed on Amazon as: NURSIA 60 HP Four Stroke Outboard Motor Engine ,Manual, Large handle

#10

10. Gbonklong 6.5 HP Outboard

• Fuel Capacity: 12 liters

Best for: 6.5-hp motor with fuel tank.

Why it ranks #10: Although titled as a 6.5 HP four-stroke with 12-liter fuel capacity, its additional description calls it a two-stroke, leaving engine type unclear.

A listed 12-liter fuel capacity distinguishes this HANGKAI-titled 6.5-hp, 123cc outboard, giving inflatable-boat and fishing-boat shoppers a specific fuel-storage figure to consider. The title also identifies water cooling and CDI ignition, while the included items are an engine and English user manual.

The title identifies a 6.5-hp, 123cc engine with water cooling and CDI ignition, letting buyers compare its stated engine systems with the needs of their boat. A listed 12-liter fuel capacity gives a concrete figure for onboard fuel planning. The package specifies an outboard engine and English user manual, so setup planning should account for the listed contents. The product is described for inflatable and fishing boats, making vessel type a key fit consideration.

Skip it if you want a fuel tank explicitly included; the Nursia 12Hp 4-stroke Outboard Motor listing includes a red fuel tank.

This may suit inflatable-boat and fishing-boat owners comparing a 6.5-hp engine with water cooling and CDI ignition. Check the stated package contents and plan fuel storage around its listed 12-liter capacity.

Listed on Amazon as: HANGKAI 4 Stroke Outboard Boat Motor, 123CC Outboard Engine 6.5 HP Fishing Boat Motors Water Cooling CDI System for Inflatable Boats, Fishing Boats(123CC)