Yamaha Vmax VMX12N, Supplementary Service Manual

Page: 153 / 405

IN SPEC TIO N A N D R EPA IR
m m
C am C hain Tensioner
1. Check:
cam operation
Unsm ooth operation Replace.
2. Inspect:
*All parts
Dam age/W ear Replace.
End Plug
T ensioner body
W asher
O ne w ay cam
Spring
T ensioner rod
C YLIN D ER
1. Inspect:
*Cylinder w all
W ear/Scratches Rebore or replace.
2. Measure:
bore “C”
Use the Cylinder Bore Gauge
Out of specification Rebore.
C M axim um D
T M axim um or
M inim um or
PISTO N , PI STO N R IN G , A N D PISTO N PIN
P iston
1. Inspect:
*Piston wall
W ear/Scratches/Dam age Replace.
2. Measure:
• Piston outside diam eter “P”
Use a Mi crom eter,
Out of specification Replace.