Yamaha 2009 YZF-R1 (Y) User Manual

AIR INDUCTION SYSTEM
7-26
4. Check:
• Air cut-off valve
Cracks/damage → Replace.
5. Check:
• Air induction system solenoid
Refer to “CHECKING THE AIR INDUC-
TION SYSTEM SOLENOID” on page 8-
140.
EAS27070
INSTALLING THE AIR INDUCTION SYSTEM
1. Install:
• Reed valves
• Reed valve stoppers
• Reed valve base
2. Install:
• Reed valve plate
TIP
Align the projection “a” on the cylinder head
cover “1” with the hole “b” in the reed valve
plate.
• Reed valve assembly
TIP
Install the reed valve assembly so that the
open side turns to the exhaust side of the
engine.
3. Install:
• Reed valve cover
A. Exhaust side
Reed valve cover bolt (air induc-
tion system)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
LOCTITE®

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