mxu 300 r Manuale-dofficina : Pagina 121

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Pagina 119

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Pagina 120

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Pagina 122

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Pagina 123

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          7. CYLINDER HEAD/VALVES                                               MXU 250R/300R


 Measure each rocker arm shaft O.D.
 Measure the I.D. of each valve rocker arm.
 Measure arm to shaft clearance.
 Replace as a set if out of specification.

 Service limits: 0.1 mm (0.004 in)




 Check the stop plate spring for damage.
 Replace the stop plate assembly with a new
 one if the spring is damage.




                                                       Spring




                                              Rocker Arms                Stop Plate
 CAMSHAFT HOLDER ASSEMBLY
 Reverse the "CAMSHAFT HOLDER
 DISASSEMBLY" procedures.
 Align the cross cutout on the exhaust
   valve rocker arm shaft with the bolt of
   the camshaft holder.


                                                            Rocker Arm Shafts



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