Removing The Swingarm; Checking The Swingarm - Yamaha YFZ450S 2003 Service Manual

SWINGARM AND DRIVE CHAIN
É
È
7 - 65
EBS00493
NOTE:
Before removing the drive chain and the
sprockets, measure the drive chain slack and
a 15-link section of the drive chain.
EBS00494

REMOVING THE SWINGARM

1. Check:
• swingarm free play
M MMM M MMM M M MMM M
a. Check the tightening torque of the pivot
shaft nut.
Pivot shaft nut
100 Nm (10.0 m · kg, 72 ft · lb)
b. Check the swingarm side play È by moving
it from side to side.
If side play is noticeable, check the spacers,
bearings, bushings and frame pivot.
c. Check the swingarm vertical movement É
by moving it up and down.
If vertical movement is tight or rough, or if
there is binding, check the spacers, bear-
ings, bushings and frame pivot.
L LLL L LLL L L LLL L
2. Remove:
• pivot shaft nut
• washer
• pivot shaft
• swingarm
EBS00495

CHECKING THE SWINGARM

1. Check:
• swingarm
Bends/cracks/damage → Replace.
CHAS
M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L
MMM
LLL