1996-2007 WaveRunner SuperJet 700 SJ700AU Service Manual, Page 60Get this manual
IpOWRlel_p_IS_TO_N C_g_= SERVICE POINTS
Piston inspection
1Eliminate: Carbon deposits From the piston crown and ring groove
2Inspect: Piston wall Score marks t Repair or replaceUse #600800 grit wet sandpaperNOTE:
Sand in criss-cross patternDo not sand excessively
3Measure: Piston skirt diameter Use micrometerOut of specification t ReplacePiston diameter 80.925, 80.950 mm (3.186 3.187 in) Distance 10mm (0.39 in)