2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 120Get this manual
Fuel tank, fuel pump module, and fuel hose
Fuel injector check
1Check: Fuel injector Dirtresidue Clean the fuel injectorDamage Replace the fuel injector
Fuel injector installation1Install: Fuel injector Installation steps: 1Apply thin coat of engine oil to the O-ring 12While turning the fuel injector slowly to the left and right, install it to the fuel rail 3
CAUTION:
Be sure to apply thin coat of engine oil to the O-ring before installing the fuel injector to the fuel rail, otherwise the O-ring could twist and break, causing fuel leakage