Yamaha WaveRunner GP1200R Manuel D'entretien page 194

POWR
REED VALVES
SERVICE POINTS
Reed valve inspection
1. Inspect:
Reed valves
Cracks/damage → Replace.
2. Measure:
Valve bending a
Out of specification → Replace.
Max. valve bending:
0.2 mm (0.01 in)
3. Measure:
Valve stopper height b
Out of specification → Adjust or
replace.
Valve stopper height:
10.4 ~ 11.0 mm (0.41 ~ 0.43 in)
5-15
E