mxer mxu 150 Workshop-manual : Page 114

          7. CYLINDER HEAD/VALVES                                                   ATV 150/125

 Install the cylinder head.
 Install two cylinder head bolts do not                         Bolts
 tighten completely.
 Tighten the two cylinder head bolts after
   the camshaft holder nuts have tightened
   (see page 7-12).




                                                             Cylinder Head
 CAMSHAFT HOLDER ASSEMBLY
                                                   Camshaft Holder
 Install the exhaust valve rocker arm to the
 "EX" mark side of the camshaft holder.
 Install the intake valve rocker arm and the
 rocker arm shafts.
 Tighten the bolt attaching stop plate.
 · Align the cutout on the front end of the
      intake valve rocker arm shaft with the
      bolt of the camshaft holder.
    · Align the cross cutout on the exhaust
      valve rocker arm shaft with the bolt of
      the camshaft holder.
                                                   Valve Rocker Arm
 CAMSHAFT INSTALLATION
                                                Cam Chain   Round Hole    Camshaft Gear
 Turn the flywheel so that the "T" mark on
 the flywheel aligns with the index mark on
 the crankcase.
 Keep the round hole on the camshaft gear
 facing up and align the punch marks on the
 camshaft gear with the cylinder head
 surface (Position the intake and exhaust cam
 lobes down.) and install the camshaft onto
 the cylinder head.
 Install the cam chain over the camshaft
 gear.
                                                                Punch Marks
                                                                 Dowel Pins
 Install the dowel pins.




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