Checking The Rear Wheel; Checking The Rear Wheel Drive Hub; Checking And Replacing The Rear Wheel Sprocket; Checking The Rear Wheel Sprocket Bracket - Yamaha YZF-R1 2020 Service Manual

a
2. Remove:
• Oil seal
• Wheel bearings
Refer to "DISASSEMBLING THE FRONT
WHEEL" on page 4-38.
EAS30159

CHECKING THE REAR WHEEL

1. Check:
• Wheel axle
• Wheel bearings
• Oil seals
Refer to "CHECKING THE FRONT WHEEL"
on page 4-38.
2. Check:
• Tire
• Rear wheel
Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on page
3-17 and "CHECKING THE WHEELS" on
page 3-17.
3. Measure:
• Radial wheel runout
• Lateral wheel runout
Refer to "CHECKING THE FRONT WHEEL"
on page 4-38.
EAS30160

CHECKING THE REAR WHEEL DRIVE HUB

1. Check:
• Rear wheel drive hub
Cracks/damage → Replace.
• Rear wheel drive hub dampers
Damage/wear → Replace.
1
EAS30161
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.
2
G088904
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
2. Replace:
• Rear wheel sprocket
a. Remove the rear wheel sprocket nuts,
b. Clean the rear wheel drive hub with a
c. Install the new rear wheel sprocket and
TIP
Tighten the rear wheel sprocket nuts in stages
and in a crisscross pattern.
EAS33361
CHECKING THE REAR WHEEL SPROCKET
BRACKET
1. Check:
• Rear wheel sprocket bracket
Cracks/damage → Replace.
4-47
REAR WHEEL
rear wheel sprocket bracket and the rear
wheel sprocket.
clean cloth, especially the surfaces that
contact the sprocket.
rear wheel sprocket bracket.
Rear wheel sprocket nut
100 N·m (10 kgf·m, 74 lb·ft)