Yamaha 2009 YZF-R1 (Y) User Manual

TRANSMISSION
5-96
EAS26250
REMOVING THE TRANSMISSION
1. Remove:
• Drive axle assembly “1”
• Shift drum retainers “2”
• Shift fork guide bars
• Shift fork “L” and “R”
• Shift drum assembly
• Shift fork “C”
2. Remove:
• Main axle assembly “1”
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a. Insert two bolts “2” of the proper size, as
shown in the illustration, into the main axle
assembly bearing housing.
b. Tighten the bolts until they contact the
crankcase surface.
c. Continue tightening the bolts until the main
axle assembly comes free from the upper
crankcase.
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3. Remove:
• Oil delivery pipe 2 “1”
• Bearings “2”
EAS26260
CHECKING THE SHIFT FORKS
The following procedure applies to all of the
shift forks.
1. Check:
• Shift fork cam follower “1”
• Shift fork pawl “2”
Bends/damage/scoring/wear → Replace
the shift fork.
2. Check:
• Shift fork guide bar
Roll the shift fork guide bar on a flat sur-
face.
Bends → Replace.
WARNING
EWA12840
Do not attempt to straighten a bent shift
fork guide bar.

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