Authorized Yamaha Outboard Dealership
Yamaha’s 4hp portable outboard motors weigh in at as little as 59 pounds. They feature streamlined overhead-valve, one-cylinder designs. The motors’ lightweight construction, combined with built-in carrying handles, resting pads, and an oil-leak prevention system for on-side storage capability, make them truly portable. Furthermore, their efficiency, performance, and reliability make these small but powerful motors perfect for a wide range of light-duty applications, such as traveling to the cuddy on a tender. Wherever your adventures take you, you can bring along extra power with a Yamaha Portable Outboard.
Yamaha’s 139-cc 4-hp portable outboard mirrors their OHV F6, with a couple of fewer horses. It features the same ergonomic, easy-grip starter handle with a built-in decompression device for effortless starts. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for an amazing extended range. There’s no stopping this little brute.
Key Features
Easy Storage: Yamaha’s 4hp outboards feature their Easy storage Oil Retention System. This pressurized oiling system prevents leaks, enabling on-side storage.
Comfortable Control: Incredibly nimble, the F4 features 180-degreee steering with a dynamically balanced and dampened twist-grip throttle for comfort and convenient maneuverability.
Portability and Storage: Built-in front and rear hangles make these lightweights easy to carry. Resting pads allow for convenient on-side storage without cowling scuffs.
Motor Specifications
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- Engine Type: Yamaha F4SMHA Four Stroke
- Horsepower: 4hp
- Cylinders: 1 cyl
- Shaft Length: 15″ Short
- Steering: Tiller
- Starter: Manual
- Weight: 59 lbs
- Alternator Output: 6 amp
- Degree of Tilt: 69°
- Degree of Trim: -4° through +16°
- Full Throttle Range: 4000 – 5000 rpm
- Displacement: 139cc
- Fuel Induction System: Carb
- Warranty: Yamaha 3-Year Warranty
Standard Features
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- Aluminum Propeller
- Internal Fuel Tank (0.29 gallons)
- Owner’s Manual
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