Assembling The Rear Wheel; Installing The Rear Wheel (Disc) - Yamaha WR125R 2009 Service Manual

b. Clean the rear wheel drive hub with a clean
cloth, especially the surfaces that contact the
sprocket.
c. Install the new rear wheel sprocket.
Rear wheel sprocket bolt
35 Nm (3.5 m·kgf, 25 ft·lbf)
TIP
Tighten the bolts in stages and in a crisscross
pattern.
L LLL L LLL L L LLL L
EAS22140

ASSEMBLING THE REAR WHEEL

1. Install:
• Wheel bearings
• Oil seals New
Refer to "ASSEMBLING THE FRONT
WHEEL" on page 4-11.
EAS22160

INSTALLING THE REAR WHEEL (DISC)

1. Install:
• Rear brake disc
Rear brake disc bolt
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
LOCTITE®
TIP
• Be sure to install the rear brake disc with the ar-
row mark "a" on the disc facing out. (WR125R)
• Tighten the brake disc bolts in stages and in a
crisscross pattern.
L LLL L L LLL L L LLL L
a
2. Check:
• Rear brake disc
Refer to "CHECKING THE REAR BRAKE
DISC" on page 4-36.
3. Lubricate:
• Rear wheel axle
• Oil seal lips
4. Adjust:
LLL
• Drive chain slack
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" on page 3-20.
ECA13550
NOTICE
A drive chain that is too tight will overload
the engine and other vital parts, and one that
is too loose can skip and damage the swing-
arm or cause an accident. Therefore, keep
the drive chain slack within the specified lim-
its.
4-18
REAR WHEEL
LT
Recommended lubricant
Lithium-soap-based grease
Drive chain slack
40.0–50.0 mm (1.57–1.97 in)