Navigation: Index — Motorcycle Specs Handbook — Yamaha — 2004
2004 Yamaha YZF-R1
Back to yamaha Motorcycle Specs Index Page
– 2004 Yamaha YZF-R1
MANUFACTURER SPECIFICATIONS
Model Yamaha YZF-R1 2004
Motorcycle Style: Sport
ENGINE SPECS
Engine Type: 998 cc, 4 Stroke – Liquid Cooled – Inline-4
Engine Bore and Stroke: 77 mm x 53.6 mm
Compression Ratio: 12.3:1
Valves DOHC, 4 valves/cylinder
Carburetion: Fuel injection, dual-valve throttle bodies with motor-driven secondary valves
Ignition System: Digital TCI
Claimed Horsepower: 180 hp (132 kW) @ 12500 rpm
Maximum Torque: 103.9 Nm (76.3 ft. lbs) @ 10500 rpm
Type of Lubrication: Wet sump
Clutch System: multi-plate Clutch System:
Gear Ratios: 1st 2.533, 2nd 2.063, 3th 1.762, 4th 1.522, 5th 1.364, 6th 1.269
Primary Drive Ratio: 65/43 (1.512)
Final Drive: Chain, 45/17 (2.647)
Starting: Electronic
CHASSIS SPECS
Frame Deltabox V out of aluminium
Suspension – Front: 43mm inverted telescopic fork w/adjustable preload, compression and rebound damping, 120 mm travel
Suspension – Rear: Single shock w/piggyback reservoir and adjustable preload, compression and rebound damping, 130 mm travel
Front Fork – Rake & Trail Angles: 24 / 97 mm (3.8 inches)
MISCELLANEOUS SPECS
Front wheel 3.50
Rear wheel 6.00
Tire – Front: 120/70-17
Tire – Rear: 190/50-17
Brakes – Front: dual 320 mm discs with radial-mounted 4-piston calipers
Brakes – Rear: single 220 mm disc with 1-piston calipers
DIMENSIONS
Overall – Length: 2065 mm (81.3 inches)
Overall – Width: 720 mm (28.3 inches)
Overall – Height: 1105 mm (43.5 inches)
Seat Height: 835 mm (32.9 inches)
Wheelbase 1395 mm (54.9 inches)
Ground clearance 135 mm (5.3 inches)
Fuel Capacity: 18 l (4.8 Gal)
Dry Weight (without fluids): 172 kg (379.2 pounds)
