Removing The Swingarm; Checking The Swingarm; Installing The Swingarm - Yamaha MT-09 2021 Service Manual

EAS30226

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.
TIP
Place the vehicle on a maintenance stand so
that the rear wheel is elevated.
2. Measure:
• Swingarm side play
• Swingarm vertical movement
a. Measure the tightening torque of the pivot
shaft nut.
Pivot shaft nut
105 N·m (10.5 kgf·m, 77 lb·ft)
b. Check the swingarm side play "A" by mov-
ing the swingarm from side to side.
If the swingarm has side-to-side play, check
the collars, bearings, and dust covers.
c. Check the swingarm vertical movement "B"
by moving the swingarm up and down.
If the swingarm vertical movement is not
smooth or if there is binding, check the pivot
shaft, collar, bearings, and dust covers.
B B
A A
G088936
3. Remove:
• Swingarm
EAS30227

CHECKING THE SWINGARM

1. Check:
• Swingarm
Bends/cracks/damage → Replace.
2. Check:
• Pivot shaft
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
• Dust cover
• Collar
Recommended cleaning solvent
Kerosene
4. Check:
• Dust cover "1"
• Oil seal "2"
Damage/wear → Replace.
• Collar "3"
Damage/scratches → Replace.
• Bearing "4"
Damage/pitting → Replace.
• Collar "5"
Damage/scratches → Replace.
4
5
2
1
EAS30228

INSTALLING THE SWINGARM

1. Lubricate:
• Dust cover
• Pivot shaft
• Bearing
• Oil seal
New
• Collar
Recommended lubricant
Lithium-soap-based grease
2. Install:
• Bearing "1"
(to the swingarm)
• Oil seal "2"
(to the swingarm)
Installed depth "a"
0–1.0 mm (0–0.04 in)
4-84
SWINGARM
4
4 3
New
1
2