That set up means significantly less mass from the cylinder head and reduced bodyweight for the overall outboard. Concurrently, four valves for each cylinder signifies terrific motor combustion, which contributes to horsepower, torque and fuel efficiency. Rapid Acceleration An optimally well balanced crankshaft and labyrinth exhaust produce clean electric power, https://onboardengine.shop/product-category/15-hp-outboard-motors/