Installing The Swingarm - Yamaha YFZ450S 2003 Service Manual

3 2
1
64.7 mm
(2.55 in)
a
b
SWINGARM AND DRIVE CHAIN
2 3 1
a
b
7 - 68
4. Check:
• O-rings 1
Damage → Replace the drive chain.
• drive chain rollers 2
Damage/wear → Replace the drive chain.
• drive chain side plates 3
Cracks/damage/wear → Replace the drive
chain.
5. Lubricate:
• drive chain
Recommended lubricant
Engine oil or chain lubricant
suitable for O-ring chains
6. Check:
• drive sprocket
• driven sprocket
More than 1/4 tooth a wear → Replace the
drive chain sprockets as a set.
Bent teeth → Replace the drive chain
sprockets as a set.
b Correct
1 Drive chain roller
2 Drive chain sprocket
EBS00497

INSTALLING THE SWINGARM

1. Install:
• bearings 1
• bushings 2
(to swingarm)
• spacer 3
NOTE:
_
Apply the lithium-soap-based grease on the
bushing when installing.
Installed depth of bearing a
5 mm (0.20 in)
Installed depth of bushing b
8 mm (0.31 in)
CHAS