That setup implies a lot less mass in the cylinder head and lowered fat for the general outboard. Concurrently, 4 valves per cylinder indicates excellent engine combustion, which contributes to horsepower, torque and gas effectiveness. Speedy Acceleration Subscribe for getting all the most up-to-date Yamaha product or service information, promotions, https://yamaha130hpoutboardmotors91233.blogolize.com/everything-about-yamaha-2-stroke-v-max-74595872