Yamaha XC50V Service Manual page 164

THE ROCKER ARMS AND CAMSHAFT
a
4. Measure:
8rocker arm inside diameter a
Out of specification
Rocker arm inside diameter
10 ~ 10.015 mm (0.393 ~ 0.394 in)
5. Measure:
8rocker arm shaft outside diameter a
Out of specification
Rocker arm shaft outside diameter
9.981 ~ 9.991 mm (0.392 ~ 0.393
in)
a
6. Calculate:
8rocker-arm-to-rocker-arm-shaft clearance
NOTE:
Calculate the clearance by subtracting the rocker
arm shaft outside diameter from the rocker arm
inside diameter.
Above 0.034 mm (0.001 in)
fective part(s).
Rocker-arm-to-rocker-arm-shaft
clearance
0.009 ~ 0.034 mm (0.0004 ~ 0.001
in)
5-15
ENG
Replace.
Replace.
Replace the de-