Yamaha XV1700PCRC Service Manual page 317

ROCKER ARMS, PUSH RODS AND VALVE LIFTERS
2. Check:
• rocker arm shaft
Blue discoloration/excessive wear/pitting/
scratches → Replace or check the lubrica-
tion system.
3. Measure:
• rocker arm inside diameter a
Out of specification → Replace.
Rocker arm inside diameter
18.000 ~ 18.018 mm
(0.7087 ~ 0.7094 in)
4. Measure:
• rocker arm shaft outside diameter a
Out of specification → Replace.
Rocker arm shaft outside
diameter
17.976 ~ 17.991 mm
(0.7077 ~ 0.7083 in)
5. Calculate:
• rocker 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 0.08 mm (0.003 in) → Replace the
defective part(s).
Rocker arm to rocker arm shaft
clearance
0.009 ~ 0.042 mm
(0.0004 ~ 0.0017 in)
5 - 17
ENG