new pulsar 125 Workshop-manual : Page 71

          7. CYLINDER/PISTON                                       Pulsar   CK    125


 Measure the cam follower shaft O.D.
 Service Limit: 11.95mm replace if below




 Check the push bar for bending and steel
 balls for wear or dropping.
 Measure the push bar length.
 Service Limit: 141mm replace if below
                                                      Faulty




                                                    (IN/EX)




 PISTON INSTALLATION
 PISTON RING INSTALLATION
 First install the third ring side rail onto the
 piston and then install the oil ring, side rail,
 second ring and the top ring onto the piston.
 Apply engine oil to each piston ring.                            Top
                                                                  Second
   · Be careful not to damage or break the
     piston and piston rings.                                     Oil
   · All rings should be installed with the
     English markings facing up.
   · When assembling the piston rings, do
     not expand the ring end gap larger than
     8 times of its thickness.
   · After the rings are installed, they
     should rotate freely without sticking.




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