Yamaha YZ85( P) /LC, Owner'S Service Manual

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ENG
2. Measure:
●
Piston pin outside diameter
Use micrometer
1
.
Out of limit
→
Replace.
Piston pin outside diameter:
13.996 ~ 14.000 mm
(0.5510 ~ 0.5512 in)
<Limit>: 13.975 mm (0.5502 in)
5PA40540
3. Check:
●
Free play (when the piston pin
1
is in
place in the piston
2
)
There should be no noticeable for the play.
Free play exists
→
Replace piston pin and/
or piston.
5PA40550
4. Install:
●
Small end bearing
●
Piston pin
Into the small end of connecting rod.
5. Check:
●
Free play
There should be no noticeable free play.
Free play exists/unsmooth revolution
→
Inspect the connecting rod for wear/replace
the pin and/or connecting rod as required.
5PA40560
CYLINDER HEAD, CYLINDER AND PISTON