Yamaha 2009 YZF-R1 (Y) User Manual

REAR WHEEL
4-28
EAS22110
CHECKING THE REAR WHEEL DRIVE HUB
1. Check:
• Rear wheel drive hub “1”
Cracks/damage → Replace.
• Rear wheel drive hub dampers “2”
Damage/wear → Replace.
EAS14B1003
CHECKING AND REPLACING THE REAR
WHEEL SPROCKET
1. Check:
• Rear wheel sprocket
More than 1/4 tooth “a” wear → Replace
the drive chain sprockets as a set.
Bent teeth → Replace the drive chain
sprockets as a set.
2. Replace:
• Rear wheel sprocket
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a. Remove the self-locking nuts and the rear
wheel sprocket.
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.
TIP
Tighten the self-locking nuts in stages and in a
crisscross pattern.
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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 disc and rear wheel drive hub installed.
1. Adjust:
• Rear wheel static balance
Refer to “ADJUSTING THE FRONT
WHEEL STATIC BALANCE” on page 4-
21.
EAS22160
INSTALLING THE REAR WHEEL
1. Lubricate:
• Wheel axle
• Wheel bearings
• Oil seal lips
2. Adjust:
• Drive chain slack
Refer to “ADJUSTING THE DRIVE
CHAIN SLACK” on page 3-21.
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
Rear wheel sprocket self-lock-
ing nut
100 Nm (10 m·kgf, 72 ft·lbf)
Recommended lubricant
Lithium-soap-based grease
Drive chain slack (when adjust-
ing the drive chain)
25.0–35.0 mm (0.98–1.38 in)
Drive chain slack (when replac-
ing the drive chain and
sprocket)
20.0–30.0 mm (0.79–1.18 in)

Yamaha 2009 YZF-R1 (Y) Specifications

General

Bore x Stroke	78.0 mm x 52.2 mm
Compression Ratio	12.7:1
Fuel System	Fuel injection with YCC-T and YCC-I
Ignition	TCI: Transistor Controlled Ignition
Transmission	6-speed w/multiplate slipper clutch
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/55-ZR17
Seat Height	835 mm
Wet Weight	206 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, inline 4-cylinder
Front Suspension	43 mm inverted fork, fully adjustable
Rear Suspension	Single shock, fully adjustable
Front Brakes	Dual 310 mm discs, radial-mount 6-piston calipers
Rear Brakes	220 mm disc, single-piston caliper
Dimensions (L x W x H)	2, 070 mm x 715 mm x 1, 130 mm
Wheelbase	1415 mm
Fuel Capacity	18 L