kpw 50 Workshop-manual : Page 74

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          7. CYLINDER/PISTON                                             K-PIPE 50


 Inspect the top of the cylinder for warpage.
 Service Limit: 0.05mm repair or replace if over




                                                   Piston   Clip
 PISTON REMOVAL
 Remove the piston pin clip.
 Press the piston pin out of the piston.
 Place a clean shop towel in the crankcase
   to keep the piston pin clip from falling
   into the crankcase.



                                                            Piston Pin

 Install the piston rings onto the piston and
 measure the piston ring-to-groove clearance.
 Service Limits:
           Top: 0.12mm replace if over
           2nd: 0.12mm replace if over




 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




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