4. Maintenance
USE AND MAINTENANCE MANUAL
CHAPTER 4
MAINTENANCE
4-Strokes - Edition 00 / 2022
127
4
A
1
2
3
4
– Remove the lock washer “1”, the hub “2”, the spacer “3”
and the clutch housing “4”.
Check the clutch elements
– Check the clutch housing and clutch hub for wear/cracks/
damage, replace them;
– Check the driven gear of the primary transmission for
circumferential clearance and/or damage to the teeth. If it
has one or both defects, replace it;
– Measure the free length “A” of the clutch springs. If not
in accordance with specifications, replace the springs all
together;
Clutch spring free length (XXF 250 / XEF 250):
44.00 mm (1.73 in)
Minimum limit: 41.80 mm (1.65 in)
Clutch spring free length (XXF 450 / XEF 450):
48.00 mm (1.89 in)
Minimum limit: 45.60 mm (1.80 in)
