That set up usually means significantly less mass during the cylinder head and lowered pounds for the general outboard. Concurrently, 4 valves for every cylinder indicates excellent engine combustion, which contributes to horsepower, torque and gas performance. Brief Acceleration Subscribe for getting all the most up-to-date Yamaha products information, promotions, https://onboardengine.shop/product-category/yamaha-outboard-motors/