mxer mxu 150 Workshop-manual : Page 115

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          7. CYLINDER HEAD/VALVES                                                     ATV 150/125

                                                     Nut              Camshaft Holder
 Install the camshaft holder, washers and
 nuts on the cylinder head.
 Tighten the four cylinder head nuts, then
 tighten two cylinder head bolts completely.
 Torque:
 Cylinder head nut:
                   2 kgf-m (20 N-m, 14 lbf-ft)
 Cylinder head bolt (see page 7-11):
                  1 kgf-m (10 N-m, 7.2 lbf-ft)

 · Apply engine oil to the threads of the
      cylinder head nuts.                        Washer
    · Diagonally tighten the cylinder head
      nuts in 23 times.




 Adjust the valve clearance.
 Turn the cam chain tensioner screw counter-
 clockwise to release it.




                                                   Tensioner Screw




 Apply engine oil to a new O-ring and install
 it.
 Tighten the cam chain tensioner cap bolt.
 Be sure to install the O-ring into the
    groove properly.

 Refer to the chapter 3 to perform valve
 clearance adjustment.
                                                                     Bolt




                                                                                7-12