Yamaha YT175J 1982 Service Manual page 36

2. The steel clutch plates should be in-
spected for wear, heat damage and/ or
warpage. Check for warpage on a sur-
face plate. If warpage exceeds 0.06 mm
(0.002 in) and is accompanied by erratic
clutch operation, replace. Heat discolo-
ration indicates a malformation. Replace
any heat-damaged plates and check fric-
tion plates, clutch hub and colar.
THICKNESS:
1.6mm
10.063 in)
3-12
3. Clutch adjustment
Measure the gap between the friction
plate and pressure plate with a thickness
gauge.
If the gap is found incorrect, it should be
properly adjusted by changing the
thickness of the clutch plate.
Thickness
1.2 mm (0.047 in). 1.4 mm (0.055 in). or 1.6 mm (0.063 in)
Clutch adjustment gap
Place the 1.6 mm (0.063 in) thick clutch
plate on the outer side, with the machin-
ed surface facing inward.
1.6:!8:~mm