Yamaha YZF-R1 2004 User Manual

INSTRUMENT AND CONTROL FUNCTIONS
3-18
3
curs, use a gasoline of a different
brand. Use of unleaded fuel will extend
spark plug life and reduce maintenance
costs.
EAU34071
Fuel tank breather/overflow
hose
Before operating the motorcycle:
● Check the fuel tank breather/over-
flow hose connection.
● Check the fuel tank breather/over-
flow hose for cracks or damage,
and replace it if damaged.
● Make sure that the end of the fuel
tank breather/overflow hose is not
blocked, and clean it if necessary.
● Make sure that the end of the fuel
tank breather/overflow hose is po-
sitioned outside of the cowling.
EAU13430
Catalytic converter
This model is equipped with a catalytic
converter in the exhaust chamber.
WARNING
EWA10860
The exhaust system is hot after op-
eration. Make sure that the exhaust
system has cooled down before do-
ing any maintenance work.
CAUTION:
ECA10700
The following precautions must be
observed to prevent a fire hazard or
other damages.
● Use only unleaded gasoline.
The use of leaded gasoline will
cause unrepairable damage to
the catalytic converter.
● Never park the vehicle near pos-
sible fire hazards such as grass
or other materials that easily
burn.
● Do not allow the engine to idle
too long.
1. Fuel tank breather/overflow hose
U5VYE0E0.book Page 18 Friday, November 14, 2003 11:47 AM

Yamaha YZF-R1 2004 Specifications

General

Bore x Stroke	77.0 mm x 53.6 mm
Compression Ratio	12.4:1
Maximum Power	172 hp @ 12, 500 rpm
Fuel System	Fuel Injection
Ignition	Digital TCI
Transmission	6-speed
Final Drive	Chain
Frame	Aluminum Deltabox
Rear Suspension	Single shock, fully adjustable
Front Tire	120/70-ZR17
Rear Tire	190/50-ZR17
Maximum Torque	78.2 lb-ft @ 10, 500 rpm
Front Suspension	43mm telescopic fork, fully adjustable
Front Brakes	Dual 320mm discs; radial-mount 4-piston calipers
Rear Brakes	220mm disc; single-piston caliper
Wheelbase	1, 395 mm
Seat Height	835 mm
Fuel Capacity	4.8 gallons
Dry Weight	172 kg
Width	720 mm
Height	1, 105 mm
Ground Clearance	135 mm
Engine Type	Liquid-cooled, 4-stroke, DOHC, 5-valve, inline 4-cylinder