APRILIA SHIVER 900 Service Station Manual page 229

SHIVER 900
•
Measure the thickness of the clutch
discs at four positions, replace them if
not complying with specifications.
Thickness of nine drive discs: 2.5 mm (0.10 in).
Driven disc thickness: 2,75 - 2,85 mm (0.108 ÷
0.112 in).
MUSHROOM VALVE CHECK
•
Check if the valve slides freely, without
jamming.
•
Blow compressed air into the valve and
check that the lubricating oil passage
holes open.
Checking the clutch housing
•
Remove the clutch bell.
•
Remove the seeger ring.
•
Remove the oil pump's drive gear.
DURING REASSEMBLY, THE COLLAR OF THE GEAR
MUST ALWAYS BE FACING THE CLUTCH BELL.
Engine
ENG - 229