The Yamaha F4 strikes the sweet spot between featherweight portability and practical everyday power. Four horsepower is the ideal output for small aluminum tinnies, inflatable pontoons, and lightweight fiberglass runabouts — enough to maintain a comfortable planning speed while remaining easy to handle on and off the water.
Yamaha’s refined four-stroke engine technology gives the F4 smooth, quiet operation and excellent fuel economy compared to older two-stroke designs. The robust tiller handle provides direct, responsive steering, while the reliable recoil start system means you’re never far from getting underway. A neat, symmetrical design keeps the motor balanced during transport and mounting.
Key Features:
– Displacement: 123cc single-cylinder four-stroke
– Shaft options: Short (381mm / 15″)
– Starting system: Manual recoil
– Fuel delivery: Carburetor
– Weight: approx. 26 kg (57 lbs)
– Tiller steering
– Built-in fuel tank or external tank compatible
– Meets CARB 3-star ultra-low emissions rating
Ideal For: Aluminum tinnies, small fiberglass hulls, inflatables, tenders up to ~14 ft









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