2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 226Get this manual

Crankcase, connecting rod, and piston

Piston check
1Check: Piston wall Vertical scratches Replace the piston and piston rings as set
2Measure: Piston outside diameter Out of specification Replace the pistonPiston outside diameter a: 85.91585.930 mm (3.38253.3831 in) Measuring point b: 10.0 mm (0.39 in)

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