That set up means significantly less mass from the cylinder head and reduced bodyweight for the general outboard. Concurrently, 4 valves for every cylinder means excellent engine combustion, which contributes to horsepower, torque and gas effectiveness. Speedy Acceleration An optimally balanced crankshaft and labyrinth exhaust deliver smooth power, though Microcomputer https://onboardengine.shop/product-category/yamaha-outboard-motors/