Check the cam contact surfaces for scratches, grooves, steps and waving.
Worn cams are frequently the cause of poor timing, which leads to loss of engine power.
Place the camshaft between two centres and check the run-out on the areas indicated using two dial gauges.
Service limit: 0.1 Mm.
Visually inspect the camshaft tracks for scoring and abnormal wear. If any of the above defects are found, the camshaft should be renewed.
If you find scoring or excessive wear, check the operation of the engine lubrication circuit.
Removal of the clutch-side crankcase cover
Unscrew the screws (2), (3) and (5) securing the clutch-side crankcase cover
(1).
Tap around the edge of the cover with a plastic mallet to detach it from the
crankcase half.
Remove the clutch cover (1) paying attention to the centring bushing (12).
Check the condition of the cent ...
Removal of the tail light
Disconnect the connectors (a) and (b) of the tail lights (1) and (13).
Loosen the screws (4) and slide the tail lights (1) and (13) to the rear side;
recover the four spacers (3) and the washers
(14).
...
Removal of the front forks
Before removing the front forks, it is first necessary to remove the
following parts:
Loosen the clamp screws (1) holding the fork legs to the steering head (3).
Loosen the clamp screws (2) and (26) securing the fork legs to the bottom yoke
(4).
Withdraw the fork legs (5) and (6) downwar ...