December 2023

Maintaining your watercraft at varying altitudes and in diverse climates is crucial for optimal performance. The elevation and climate significantly influence engine efficiency and impeller pitch, demanding specific maintenance practices to ensure your watercraft operates at its best. 1. Engine Performance at Different Elevations: Higher altitudes feature thinner air, affecting engine combustion. Engines may require […]

For the jet ski Yamaha 1.8L engine, changing the piston in those places can increase acceleration for racing. Increasing the piston bore usually increases engine displacement, which may increase engine power and torque. However, this change requires careful engineering involving many other aspects such as adjustments to the intake system, fuel supply, ignition system and