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 componentsTiming system
Central external cover
Air filter
Horizontal cylinder timing belt cover
Screw
Filter support
Screw
Washer
Nut
Tensioner pulley assembly
Circlip
Camshaft pulley
Tensioner pin
Idler pulley assembly
Timing belt
Nut
Key
Spacer
Camshaft pulley
Driveshaft pulley ...
Refitting the exhaust system
Refit the heat guard on the manifold (10) by tightening the nuts (9) to a
torque of 10 nm +/- 10% (sect. 3 - 3, Frame
torque settings).
Position the vertical exhaust manifold (22) on the vertical cylinder head
with the gasket (23).
Tighten the fixing nuts (21) to a torque of 10 nm +/- 1 ...
Refitting the front footrests
Note
The assembly of the front footrests is described only for the right one
(2) but it is the same also for the left one.
Place the spring (4) bringing the end (a) onto the footrest (2).
Place the footrest (2) in the correct position, by inserting the end (c) of the
spring (4) in the hole ...