quannon 125 Workshop-manual : Page 60

          6. CYLINDER HEAD/VALVES                                                QUANNON 125
                                                     Cam Chain
 Remove the camshaft gear from the cam
 chain to remove the camshaft.




 CAMSHAFT INSPECTION                                 Camshaft
 Check each cam lobe for wear or damage.
 Measure the cam lobe height.
 Service Limits:
           IN: 30.75mm replace if below
           EX:30.26mm replace if below




                                                      Camshaft Bearings
 Check each camshaft bearing for play or
 damage. Replace the camshaft assembly
 with a new one if the bearings are noisy or
 have excessive play.




                                                         Valve Rocker Arms
 CAMSHAFT HOLDER DISASSEMBLY
 Take out the valve rocker arm shafts using a
 6mm bolt.
 Remove the valve rocker arms.




                                                Rocker Arm Shafts         6mm Bolt

6-5