movie 125 euro 3 Workshop-manual : Page 91

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          8. CYLINDER/PISTON                                    MOVIE SYSTEM


 Inspect the piston, piston pin and piston
 rings.
 Remove the piston rings.
 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
                                  over
                   2nd: 0.09mm replace if
                                  over




                                                Gap



 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




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