Removing The Swingarm; Checking The Swingarm; Installing The Swingarm - Yamaha XT250X 2008 Service Manual

EAS23350

REMOVING THE SWINGARM

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
NOTE:
Place the vehicle on a suitable stand so that the
rear wheel is elevated.
2. Measure:
Swingarm side play
G
Swingarm vertical movement
G
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Measure the tightening torque of the pivot
shaft nut.
Pivot shaft nut
80 Nm (8.0 m•kg, 58 ft•lb)
b. Measure the swingarm side play "A" by mov-
ing the swingarm from side to side.
c. If the swingarm side play is out of specifica-
tion, check the spacers, bearings, washers,
and dust covers.
Swingarm up/down stroke limit at
rear end position of the rear arm
1.0 mm
Swing arm play limit on the pivot
shaft
1.0 mm
d. Check the swingarm vertical movement "B"
by moving the swingarm up and down.
If swingarm vertical movement is not smooth
or if there is binding, check the spacers,
spacers, washers, and dust covers.
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B
A
4-55
EAS23360

CHECKING THE SWINGARM

1. Check:
Swingarm
G
Bends/cracks/damage → Replace.
2. Check:
Pivot shaft
G
Roll the pivot shaft on a flat surface.
Bends → Replace.
EWA13770
WARNING
Do not attempt to straighten a bent pivot
shaft.
3. Wash:
Pivot shaft
G
Dust covers
G
Spacer
G
Washers
G
Bushing
G
Recommended cleaning solvent
Kerosene
4. Check:
Dust covers
G
Spacer
G
Washers
G
Oil seals
G
Damage/wear → Replace.
Bushing
G
Damage/pitting → Replace.
EAS23380

INSTALLING THE SWINGARM

1. Lubricate:
Bushing
G
Spacers
G
Dust covers
G
Pivot shaft
G
Recommended lubricant
Molybdenum disulfide grease
2. Install:
Bushing "1"
G
SWINGARM