That set up means considerably less mass during the cylinder head and decreased excess weight for the overall outboard. Concurrently, four valves for each cylinder means good engine combustion, which contributes to horsepower, torque and fuel effectiveness. Speedy Acceleration Subscribe to acquire all the newest Yamaha solution news, promotions, tales https://yamaha140hpoutboardforsal06260.pages10.com/what-does-yamaha-140hp-outboard-for-sale-mean-70864324