4HP 4-Stroke Air-Cooled Small Diesel Engine (TD170F) - Engine and... Powerful Performance]This 4-stroke, 4.0 hp outboard engine delivers robust sailing performance. It produces 350 kg (771.62 lb) of thrust at speeds up to 6800 rpm, ensuring smooth operation for inflatable boats, fishing vessels, and small yachts Boat Motor Buy 4HP 4-Stroke Outboard Otor Shaft Fishing Boat Engine Air-Cooled Won T Stay Running Durable cast aluminum structure with excellent corrosion resistances. The 4hp 4‑stroke manual‑start outboard motor provides a Perfects balance of power and efficiency. The gear start protection/clutch function prohibits the pillar from rotating when idling. 360° steering rotation allows you to reverse without shifting gears. Tighten the throttle handle and engine stop button to improve response. Mercury 4MH Outboard | Tiller, Manual Standard CDI ignition system, easy to start and improved performance. An advanced carbonation system with a pilot light bulb can increase efficiency.