people 250 Manuel atelier : Page 89

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          7. CYLINDER/PISTON                                                   PEOPLE 250


 PISTON INSTALLATION
 Remove any gasket material from the
 crankcase surface.
 · Be careful not to drop foreign matters
      into the crankcase.




                                                   Piston Pin Clip        "IN" Mark
 Install the piston, piston pin and a new piston
 pin clip.
 · Position the piston "IN" mark on the
      intake valve side.
    · Place a clean shop towel in the
      crankcase to keep the piston pin clip
      from falling into the crankcase.


                                                   Piston Pin              Piston

                                                       Gasket
 CYLINDER INSTALLATION
 Install the dowel pins and a new cylinder
 gasket on the crankcase.




                                                                           Dowel Pin

 Coat the cylinder bore, piston and piston
 rings with clean engine oil.
 Carefully lower the cylinder over the piston
 by compressing the piston rings.
 · Be careful not to damage or break the
     piston rings.
   · The piston ring end gaps should not be
     parallel with or at 90° to the piston pin.


                                                   Cylinder

7-7