kxr 50 90 2 Manuel atelier : Page 107

Microfiches
Image preview

Page 105

Image preview

Page 106

Image preview

Page 108

Image preview

Page 109

1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 246
          7. CYLINDER HEAD/VALVES
  (Mongoose/KXR 90)                                                Mongoose/KXR 90/50

                                                   Camshaft Holder             Rocker Arm
 CAMSHAFT HOLDER INSPECTION
 Inspect the camshaft holder for wear or
 damage.

 Inspect the rocker arm shaft for blue
 discoloration or grooves.
 If any defects are found, replace the rocker
 arm shaft with a new one, then inspect
 lubrication system.

                                                Rocker Arm        Rocker Arm Shafts


                                                                             Rocker Arm Bore

 Inspect the rocker arm bore, cam lobe
 contact surface and adjuster surface for
 wear/pitting/scratches/blue discoloration.
 If any defects are found, replace the rocker
 arm shaft with a new one, then inspect
 lubrication system.



                                                Contact Surface       Adjuster Surface


 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: 0.10mm




                                                                                         7-6