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) downwards in order to carry out to all the necessary overhaul operations.

Steering head: front fork
Overhauling the front forksDisassembly of structural components and the frame
Before carrying out dimensional checks on the frame, you must remove all the
superstructures fitted, referring to the
removal procedures outlined in the sections of this manual.
The rear subframes (2) and (3) are structural components of the frame (1).
Both serve to support motorcycle super ...
Overhaul of the flywheel-alternator assembly
Examine the inner part of alternator rotor (24) for signs of damage. Check
that the starter clutch is working properly and
that the needle races do not show signs of wear or damage of any kind. If there
is any malfunction, remove the whole
assembly.
Disassembling the generator flywheel
U ...
Checking and overhauling the components
Clearance between the clutch drum and friction plates
Insert a friction plate (e) in the clutch drum (f) and measure the clearance
(s) with a feeler gauge.
Clearance "s" must not exceed 0.6 Mm.
If it does, renew the plates and, if necessary, the clutch drum.
Overhaul of the clutch plat ...