2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 24Get this manual
GEN INFO
Feature and benefit
Cylinder head assembly
The newly designed cylinder head has valves per cylinder: intake valves and exhaust valvesThe shapes of the combustion chamber and piston have been designed to obtain the optimum compression ratioThe valve lifter is direct-acting type with valve padThe valve spring is single type