3-22
PERIODIC MAINTENANCE
e. Repeat the measurement 3 times at differ-
ent part, and calculate the average of the
read values.
Adjusting the drive belt tension
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
1. Loosen the wheel axle nut and both left and
right locknuts “1”.
2. Turn both left and right adjusting bolts “1”
equivalently and adjust until proper drive belt
tension within specified value is obtained.
3. Check the difference in the distance “a” be-
tween the left and right sides should be 0.8
mm (0.03 in) or less.
4. Tighten the wheel axle nut to specification.
5. Tighten the locknuts to specification.
6. Check the difference in the distance “c” be-
tween the left and right sides is within 0.8 mm
(0.03 in).
7. Use the tension meter and measure the drive
belt tension again.
8. Measure and adjust until proper drive belt
tension within specification value is obtained.
EAS31433
LUBRICATING THE DRIVE PULLEY AND
DRIVE AXLE
1. Remove:
• Drive belt upper guard and lower guard
Refer to “REAR WHEEL” on page 4-30.
2. Remove:
• Drive belt
Refer to “BELT DRIVE” on page 4-94.
3. Remove:
• Drive pulley cover
Refer to “BELT DRIVE” on page 4-94.
• Dust cover
Refer to “BELT DRIVE” on page 4-94.
• Drive pulley assembly
Refer to “BELT DRIVE” on page 4-94.
4. Clean:
•Drive axle
• Drive pulley assembly inner part
5. Lubricate:
•Drive axle
• O-ring
Lubricate portion “a” of the drive axle with
grease.
Rear wheel axle nut
160 N·m (16 kgf·m, 118 lb·ft)
Drive belt adjusting locknut
16 N·m (1.6 kgf·m, 12 lb·ft)
Recommended lubricant
YAMAHA GREASE “J”
(Shell Alvania EP Grease R0®)
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