1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 84Get this manual
IpOWRlal_R_E_ED_V_A_L_V_ES C_I_::: SERVICE POINTS
Reed valve inspection 1Inspect: Reed valves Cracksdamage Replace2Measure: Valve bending Out of specification ReplaceMaxvalve bending: 0.2 mm (0.01 in)