1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 112Get this manual

IpOWRIIilI_c_RA_N_K_C_AS_E C_!:_= SERVICE POINTS
Crankcase inspection 1Inspect: Mating surfaces Scratches 7 Replace the crankcase
Crankcase Cracksdamage

Replace

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives