Model: YZF-R1S
Engine Type: 998cc, liquid-cooled, 20-valve, DOHC, inline four-cylinder
Bore x Stroke: 77 x 53.6mm
Compression Ratio:12.3:1
Fuel Delivery: fuel injection, dual-valve throttle bodies with motordriven secondary valves
Ignition: DC-CDI
Transmission: 6-speed w/multi-plate clutch
Final Drive: #530 O-ring chain
Suspension/Front: 43mm inverted telescopic fork w/adjustable preload, compression and rebound damping; 4.7" travel
Suspension/Rear: Single shock w/piggyback reservoir and adjustable preload, compression and rebound damping; 5.1" travel
Brakes/Front: Dual 320mm discs; radial-mount forged 4-piston calipers
Brakes/Rear: 220mm disc w/1-piston caliper
Tires/Front: 120/70-ZR17
Tires/Rear: 190/50-ZR17
Length: 81.3"
Width: 28.3"
Height: 43.5"
Wheelbase: 54.9"
Rake (Caster Angle): 24.0
Trail: 3.8"
Seat Height: 32.8"
Dry Weight: 379 lbs.
Fuel Capacity: 4.8 gallons
Colors: Team Yamaha Blue/White; Liquid Silver/Cerulean Silver; Shift Red
Download an Excel file that compares the '04 specs to the '03 model's: R1 specifications
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