stryker 125 Manuel atelier : Page 67

Microfiches
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Page 65

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Page 66

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Page 68

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Page 69

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          6. CYLINDER HEAD/VALVES                                      STRYKER 125/150

                                              Valve Areas
 INSPECTION
 CYLINDER HEAD
 Check the spark plug hole and valve areas
 for cracks.
 Check the cylinder head for warpage with a
 straight edge and feeler gauge.
 Service Limit: 0.1mm repair or replace if
                 over



                                              Spark Plug




 VALVE SPRING FREE LENGTH
 Measure the free length of the inner and
 outer valve springs.
 Service Limits:
    Inner spring : 39.4mm
    Outer spring : 46.2mm




                                              Outer Spring         Inner Spring




 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        5.37mm replace if below
        EX        5.37mm replace if below




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