Piston Pin; Clutch - Yamaha XT 600 AC Service Manual

INSPECTION AND REPAIR ENG ' -
307 -0 18
PISTON PIN
4-33
1. Inspect :
- Piston pin
Blue discoloration / Grooves ---+ Replace
then inspect lubrication system.
2. Measure :
-Outside diameter
@
(piston pin)
Out of specification ---+ Replace .
Outside diameter (piston pin):
21.991 """22.000 mm
(0.8658"""0.8661 in)
3. Measure :
to
Piston pin-to-piston clearance
Out of specification
--->
Replace piston .
Piston pin-to-piston clearance
=
Bore size (piston pin)
@ -
Outside diameter (piston pin)
@
Piston pin-to-piston clearance:
0.004~0 . 024 mm
(0.0002~0.0009 in)
Limit: 0 .07 mm (0.003 in)
CLUTCH
1. Inspect:
• Clutch housing dogs
Cracks / Pitting (edges):
Moderate ---+ Deburr.
Severe ---+ Replace clutch housing.
NOTE: ________________________ _
Pitting on friction plate dogs of clutch housing
will cause erratic operation .