stryker 125 Manuel atelier : Page 83

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          6. CYLINDER HEAD/VALVES                         STRYKER 125/150
 Inspect the valve seat width.
 Service Limit: 1.8mm replace if over
 If the seat is too wide or too narrow or has
 low spots, the seat must be ground using a
 valve seat cutter.




                                                     Valve Seat Width




 VALVE SEAT GRINDING
 Remove any roughness or irregularities
 from the seat using a 45° cutter.                     Roughness

 Be careful not to grind too much.




 Use a 37.5° cutter to remove the upper
 existing valve seat material.

                                                 Old Seat Width




                                                            6-12