That setup indicates a lot less mass in the cylinder head and lessened weight for the overall outboard. At the same time, four valves for each cylinder suggests terrific motor combustion, which contributes to horsepower, torque and gasoline performance. Fast Acceleration An optimally balanced crankshaft and labyrinth exhaust produce easy https://yamaha4strokeoutboardmoto31976.blogocial.com/what-does-yamaha-140hp-outboard-for-sale-mean-71273863