Cylinder/Piston Selection - Honda CR 125R 2002 Sevice Manual

Measure the piston pi n bore 1.0.
SERVICE LIMIT: 15.035
mm (0
.59 19
in)
Check the piston pin for wear and excessive discol-
oration.
Measure the piston pin 0.0.
SERVICE LIMIT: 14.98 mm (0.590 in )
If the 0.0. is under the service limit, discolored, or
nearty 22.5 hours of running time have elapsed,
replace the piston pin and bearing.
Calculate the piston pin-ta-piston clearance.
SERVICE LIMIT: 0.03 m m (0.001 i nl
Insert the pisto n r ing into the cylinder to dist ance
from the cylinder bottom shown.
Use the piston to push the ring squarely into the
cylinder.
Measure the piston r ing end gaps with the feeler
gauge.
SERV ICE LIMIT: 0.65
mm
(0.026
in )
CYLINDER/PISTON SELECTION
The cylinders and pistons are select fitted.
Record the piston 0.0. code letter (A or 8).
Record the cylinder t.0. code letter (A or 8J.
Use new cylinders and pistons with the same
1.0.
and 0.0. codes when replacing the cylinder andJor
piston.
CYLINDER HEAD/CYLINDER/PISTON
.
' . .,.
11 /
IN
PISTON 0.0. CODE
CYLINDER 1.0. CODE
~A"or~B"
7-9