2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 21Get this manual
GEN INFO
Feature and benefit
Air filter case and air filter element
The air filter case and air filter element have been newly designed to handle the increased intake air volumeThe air filter element itself is made of water-repellent material, which prevents water from entering the engineIn addition, the air filter element is secured to the air filter case cover using screws
1 Screw Air filter element Air filter case cover
Supercharger assembly
The supercharger is located on the front of the engine, and is centrifugal type that rotates the impeller for superchargingThe impeller uses step-up gear with steps to transmit the rotation of the crankshaftThe impeller rotates about 10 times faster than the crankshaftThe impeller drive gear is equipped with one-way clutch; therefore, even if the engine stops when the impeller is rotating at high speed, the structure of the impeller allows it alone to continue rotatingThe supercharger has excellent durability and is very quietIn addition, the supercharger is easy to serviceDRIVEN GEAR Number of teeth: IDLE GEAR Number of teeth BIG: SMALL: