Checking The Rear Wheel Sprocket; Checking The Sprocket Bracket; Installing The Rear Wheel Sprocket; Installing The Rear Axle - Yamaha 2009 YFM25RY Service Manual

EAS29510

CHECKING THE REAR WHEEL SPROCKET

1. Check:
• Rear wheel sprocket
Refer to "CHECKING THE DRIVE
SPROCKET" on page 4-59.
EAS4D3F029

CHECKING THE SPROCKET BRACKET

1. Check:
• Sprocket bracket
Cracks/damage → Replace.
EAS29520
INSTALLING THE REAR WHEEL
SPROCKET
1. Install:
• Rear wheel sprocket
TIP
Make sure that the blunt-edged corner "a" of
the rear wheel sprocket is facing outward.
EAS29530

INSTALLING THE REAR AXLE

1. Install:
• Conical spring washer "1"
• Rear axle ring nut
TIP
Install the conical spring washer with the con-
vex side of the washer facing inward as shown.
2. Tighten:
• Rear axle ring nut "1"
• Rear axle ring nut set bolts "3"
REAR AXLE AND REAR AXLE HUB
Rear axle ring nut
140 Nm (14.0 m·kg, 103 ft·lbf)
LOCTITE®
Rear axle ring nut set bolt
7 Nm (0.7 m·kg, 5.2 ft·lbf)
LOCTITE®
TIP
• Apply the brake pedal so that the rear axle
does not turn when tightening the nut.
• Use the PTT wrench 46 or axle nut wrench
(46 mm) "2".
PTT wrench 46
90890-06588
Axle nut wrench (46 mm)
YM-37134
4-14