Checking And Replacing The Rear Wheel Sprocket; Adjusting The Rear Wheel Static Balance; Installing The Rear Wheel (Drum) - Yamaha SR400 2014 Service Manual

Refer to "CHECKING THE FRONT WHEEL"
on page 4-7.
EAS22120
CHECKING AND REPLACING THE REAR
WHEEL SPROCKET
1. Check:
• Rear wheel sprocket
More than 1/4 tooth "a" wear  Replace the
drive sprocket, the rear wheel sprocket and
the drive chain as a set.
Bent teeth  Replace the drive sprocket, the
rear wheel sprocket and the drive chain as a
set.
a
2
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
2. Replace:
• Rear wheel sprocket
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the circlip "1" and the hub dust seal
"2".
b. Remove the hub stoppers "1".
c. Straighten the lock washer tabs "2" and re-
move the rear wheel sprocket nuts "3".
1
b
1
2
4-15
3
2
3
d. Remove the rear wheel sprocket.
e. Clean the rear wheel drive hub with a clean
cloth. Especially the surfaces that contact the
sprocket.
f. Install the new rear wheel sprocket.
Rear wheel sprocket nut
26 Nm (2.6 m·kgf, 19 ft·lbf)
TIP
Tighten the locknuts in stages and in a criss-
cross pattern.
g. Bend the lock washer tabs.
h. Install the hub stopper, hub dust seal, and
new circlip.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS22150
ADJUSTING THE REAR WHEEL STATIC
BALANCE
TIP
• After replacing the tire, wheel or both, the rear
wheel static balance should be adjusted.
• Adjust the rear wheel static balance with the
brake shoe plate and drive hub installed.
1. Adjust:
• Rear wheel static balance
Refer to "ADJUSTING THE FRONT WHEEL
STATIC BALANCE" on page 4-8.
EAS22180

INSTALLING THE REAR WHEEL (DRUM)

1. Install:
• Brake shoe plate
TIP
Do not damage the springs during installation.
2. Lubricate:
• Wheel bearing
• Oil seal
REAR WHEEL
2
1
3
2