Suzuki RV125, Service Manual

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3-34 ENGINE
CYLINDER BORE
Measure the cylinder bore diameter at six places.
If any one of the measurements exceed the limit, overhaul the
cylinder and replace the piston with an oversize piston, or
replace the cylinder.
!
Cylinder bore
Service Limit: 57.090 mm
"
09900-20508: Cylinder gauge set
CAM CHAIN TENSION ADJUSTER
Make sure the push rod movement. If the push rod is stuck or
spring mechanism failed, replace the cam chain tension adjuster
assembly with a new one.
CAM CHAIN GUIDE
Inspect the cam chain guide for damage. If any damage are
found, replace the cam chain guide with a new one.
PISTON AND PISTON PIN
DIAMETER
Measure the piston diameter using the micrometer at 8 mm from
the skirt end.
If the piston diameter is less than the service limit, replace the
piston.
!
Piston diameter
Service Limit: 56.880 mm
Piston oversize: 0.5 mm
"
09900-20203: Micrometer (50 – 75 mm)
8 mm