DRIVE FACE
Inspect the belt contact surface of the drive faces for wear,
scratches or any abnormality .if there is something unusual,
replace the drive face with a new one.
ROLLER AND SLIDING SURFACE
Inspect each roller and sliding surface for wear or damage.
DRIVEN FACE SPRING
Measure the free length of the driven face spring.if the
length is shorter than the service limit, replace the spring
with a new one.
DRIVEN FACE PIN AND OIL SEAL
Turn the driven faces and check to see that the driven faces
turn smoothly.
If any stickiness or hitches are found.visually inspect the
lip of oil seal.driven face sliding surface and sliding pins
for wear or damage.
Service limit
102.0mm
DRIVEN FACE
Inspect the belt contacting surface of both driven faces for
any scratches.wear and damage.
Replace driven face with new one if there are any abnormality.
CYLINDER HEAD
Decarbonize the combustion chamber.
Check the gasketed surface of the cylinder head for distortion
with a straightedge and thickness gauge.taking a clearance
reading at several places.if the largest reading at any portion
of the straightedge exceeds the limit.rework the surface
by rubbing it against emery paper(of about#40)laid flat on the
surface plate in a lapping manner.the gasketed surface must be
smooth and perfectly flat in order to secure a tight joint:a leaky
joint can be the cause of reduced power output and increased
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