Piston Pin And Bearing Inspection - Yamaha WaveRunner XLT1200 Service Manual

POWR Q:
PISTONS
0
2. Measure:
• End gap
(with a thickness gauge
Out of specification -> Replace the
piston rings as a set.
End gap:
0.45-0.60 mm (0.018-0.024 in)
NOTE:
Push the piston ring into the cylinder with
the piston crown.
©
Piston pin and bearing inspection
1. Inspect:
• Piston pins
• Bearings
Signs of heat discoloration -> Replace.
2. Measure:
• Piston pin outside diameter
(with a micrometer
Out of specification -> Replace.
Piston pin outside diameter-
Standard
21. 995-22. 000 mm
(0.8659-0.8661 in)
Limit
21.990 mm (0.8657 in)
3. Check:
• Piston pin-to-piston free play
(with the piston pin in the piston as
shown)
Free play —> Replace the piston pin,
piston or both.
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