KYMCO MX’er 125 Service Manual page 96

8
. CYLINDER/PISTON
*
Take care not to damage or break the
piston rings during removal.
Clean carbon deposits from the piston ring
grooves.
Install the piston rings onto the piston and
measure the piston ring-to-groove clearance.
Service Limits: Top: 0.09mm replace if
2nd: 0.09mm replace if
Remove the piston rings and insert each piston
ring into the cylinder bottom.
*
Use the piston head to push each piston ring
into the cylinder.
Measure the piston ring end gap.
Service Limit: 0.5mm replace if over
Measure the piston pin hole I.D.
Service Limit: 15.04mm replace if over
8-5
over
over
Measure the piston pin O.D.
Service Limit: 14.96mm replace if below
MX'er SYSTEM