new pulsar 125 Werkstatthandbuch : Seite 62

          6. CYLINDER HEAD/VALVES                                                     Pulsar   CK   125


 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      5.42mm replace if below
            EX      5.40mm replace if below


Measure each valve guide I.D.
Service Limits: IN: 5.505mm replace if over
                 EX: 5.525mm replace if over
Subtract each valve stem O.D. from the
corresponding guide I.D. to obtain the stem-
to-guide clearance.
Service Limits: IN: 0.035mm
                 EX: 0.055mm
 · If the stem-to-guide clearance exceeds
    the service limits, replace the guides.
  · Reface the valve seats whenever the
    valve guides are replaced.




 CYLINDER HEAD ASSEMBLY
                                                               Stem Seal       Valve Stem
 Lubricate each valve stem with engine oil
 and insert the valves into the valve guides.
 Apply engine oil to the valve stem seals and
 install them into the valve guides.

    Be sure to install new valve stem seals.



 Install the valve spring seats, washers, inner
 and outer springs, and retainers.
 Compress the valve springs using the valve       Valve Spring Compressor         Valve Spring
 spring compressor, then install the valve        Attachment                      Compressor
 cotters.
 · Use the valve spring compressor to
      compress the springs and do not
      damage the cylinder head surface.
    · Install the cotters with the pointed ends
      facing down.
  Special
 Valve Spring Compressor E040


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