Yamaha TW200 Service Manual page 107

_ _ _ _ _ _ _ _ _
IN_S_P_E_C_T_IO_N_A_N_D_R_E_P_A_IR_I~GI~I
2. Inspect:
- Rocker arm shaft hole
CD
-Cam lobe contact surface
~
- Adjuster surface
@
Wear/ Pitting/ Scratches/ Blue discoloration
~ Replace, then inspect lubrication system.
a
b
3. Measure:
- Arm-to-shaft clearance
Arm-to-shaft-clearance =
Rocker arm inside diameter
®
Rocker arm shaft outside diameter
@
Out of
specification~Replace
as a set.
Arm-to-shaft Clearance:
0.009-0.037
mm
(0.0004-0.0015
in)
Limit: 0.1 mm (0.004 in)
3
343007
343-014
CAM CHAIN AND CAM SPROCKET
1. Inspect:
-Cam chain
Stiff/Cracks~Replace
cam chain and cam
sprocket as a set.
2. Inspect:
-Cam sprocket
Wear/
Damage~
Replace cam sprocket and
cam chain as a set.
CD
1/4 tooth
®
Correct
®
Roller
@
Sprocket
4-27