Yamaha 2009 YZF-R1 (Y) User Manual

PERIODIC MAINTENANCE
3-26
Compression damping
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Compression damping (left side)
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a. Turn the adjusting screw “1” in direction “a”
or “b”.
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EAS14B1096
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
Refer to “CHECKING THE REAR SHOCK
ABSORBER ASSEMBLY” on page 4-75.
EAS21610
ADJUSTING THE REAR SHOCK
ABSORBER ASSEMBLY
WARNING
EWA13120
Securely support the vehicle so that there
is no danger of it falling over.
Spring preload
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Spring preload
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Adjust the spring preload with a spring pre-
load adjusting bolt.
b. Turn the spring preload adjusting bolt “1” in
direction “a” or “b”.
c. Align the desired position on the “ ” mark
“2” with the match mark “3”.
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Rebound damping
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Rebound damping
Direction “a”
Compression damping is increased
(suspension is harder).
Direction “b”
Compression damping is decreased
(suspension is softer).
Compression damping adjusting
positions
Minimum
25 click(s) out*
Standard
20 click(s) out*
Maximum
1 click(s) out*
* With the adjusting screw fully turned in
Direction “a”
Spring preload is increased (suspension
is harder).
Direction “b”
Spring preload is decreased (suspension
is softer).
Spring preload adjusting posi-
tions
Minimum
16 turn(s) out*
Standard
8 turn(s) out*
Maximum
0 turn(s) out*
* With the adjusting screw fully turned 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