D.12 Part. N. 8000 B0148 (02-2008)
SETTINGS AND ADJUSTMENTS
Clutch discs replacement (SMR 450-R)
Tilt the motorcycle to the left side without draining the engine oil. Remove the
five locking screws (A) and remove the clutch cover (lower the rear brake pedal
if necessary).
Use a 4 mm Allen wrench to loosen the six screws (9) and their notched washers
(8) and remove the support (30) along with the fifth wheel (33) and the thrust
bearing (32). Remove the clutch control pin (31), the nut (11) and the washer (12).
Insert the tool provided (a) in the seat on the hub (29). Use a 27 mm wrench (c)
and the tool (b) no. 8000 A8190 to remove the hub (29). Remove the thrust
bearing (28), the spring retainer plate (27) and the spring (26).
Remove the plate (6) along with the shim (25), the clutch spring (7), the toothed
washer (23) and the drum stop hub (22). Use a M6x15mm screw (A) to fix the
clutch drum (1) on the hub (4) in order to prevent balls (14) from escaping and
extract the disc assembly (5).
Lubricate the new discs (D) with engine oil and mount them on the drum (1)
(always insert a lined plates first).
Remove the M6x15mm screw (A) previously mounted.
TOOLS
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