2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 238Get this manual
Crankcase, connecting rod, and piston
Crankcase assembly
1Install Dowel pin O-ring NOTE: Thoroughly clean all the gasket surfaces and crankcase mating surfaces Apply sealant to the mating surface of the crankcase Do not get away sealant on the main bearing2Install: Crankcase bolts (M10 85 mm) Crankcase bolts (M6 70 mm) 2
CAUTION:
Do not reuse the crankcase bolts 1, always replace them with new ones