With the cylinder head in the condition described in the previous paragraph, remove the rocker arms.
Unscrew the eight plugs (12) and recover the seals (15).


Using an m6 screw, withdraw the shafts (2) of the opening rocker arms (3) on the exhaust and intake sides.
Remove the opening rocker arms (3).


Using the claw of the rocker arm spring tensioning kit 88713.2069 Installed between the spring and the inner wall of the cylinder head, move the straight end of the rocker arm return spring (19) and (18) and insert it in the drilled shaft.

Use the shaft to slide the end of the spring into its final position.

Using an m6 screw, withdraw the shafts (1) of the closing rocker arms on the exhaust and intake sides.

Remove the closing rocker arms (4) and (16), the springs (18) and (19) with the spacers (17).



Carry out the same operation to remove the closing rocker arms (4) and (16), the springs (24) and (25) with the spacers (23).
Remove the sealing rings (8) from the ends of the valve guides.

Repeat the same procedure for the other cylinder head.
Removing the valves
Overhaul of cylinder head componentsRemoval of the front wheel
Support the bike so that the front wheel is raised from the ground.
Remove the front brake calliper (b) by unscrewing the two screws (a) securing
the calliper to the fork leg; do not
disconnect the calliper from the hose.
Warning
Do not operate the brake lever when the callipers are ...
Adjusting the steering head bearings
Note
To adjust the steering bearing clearance, follow what is described in
sect. 4 - 3, Adjusting the steering head bearings.
If the problems found are not solved, check the wear of steering bearings (6)
and replace them, if necessary, as described
in paragraph "removal of the steering head c ...
Checking the coolant level
To the specified intervals in the "scheduled maintenance chart" (sect. 4 - 2)
Check the coolant level contained in
the expansion reservoir, on the right side of the vehicle.
The coolant level must be between the max. And min marks on the tank.
If the level is low, top up with the recommende ...