dinkstreet 125 Manuel atelier : Page 77

Microfiches
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          6. CYLINDER HEAD/VALVES                                                  DOWNTOWN 125i


 DISASSEMBLY

 Take out the valve rocker arm shafts
 Remove the valve rocker arms.




                                                                     Rocker Arm Shafts




 INSPECTION
                                                            Camshaft Holder
 Inspect the camshaft holder, valve rocker
 arms and rocker arm shafts for wear or
 damage.
 If the valve rocker arm contact surface is
    worn, check each cam lobe for wear or
    damage.



                                                                     Rocker Arm Shafts




                                                                              Rocker Arm Bore

 Inspect the rocker arm bore, cam lobe contact
 surface     and     adjuster    surface    for
 wear/pitting/scratches/blue discoloration.
 If any defects are found, replace the rocker
 arm shaft with a new one, then inspect
 lubrication system.



                                                  Adjuster Surface   Contact Surface



                                                                                          6-6