agility 50 3 Workshop-manual : Page 83

          7. CYLINDER HEAD/VALVES                                                 AGILITY          50

 VALVE/ VALVE GUIDE
 Inspect each valve for bending, burning,
 scratches or abnormal stem wear.
 Check valve movement in the guide.
 Measure each valve stem O.D.
 Service Limits: IN : 4.9mm replace if below
                 EX: 4.9mm replace if below




 CYLINDER HEAD ASSEMBLY                                             Valve Spring Compressor

 · When assembling, a valve spring
      compressor must be used.
    · Install the cotters with the pointed ends
      facing down from the upper side of the
      cylinder head.
  Special
 Valve Spring Compressor
 Val ve Spring Compressor Attachment

                                                            Valve Spring Compressor Attachment
 Tap the valve stems gently with a plastic
 hammer for 23 times to firmly seat the
 cotters.
 Be careful not to damage the valves.




 CYLINDER HEAD INSTALLATION                         Dowel Pins                     Gasket
 Install the dowel pins and a new cylinder
 head gasket.
 Install the cam chain guide.




                                                  Cam Chain Guide

                                                                                            7-8