Yamaha R1
152 hp, 998 cc, 425 lbs2002 - 2003
Engine
Max power152 hp (@10 500 RPM)
Max torque76 lb ft (@8 500 RPM)
Displacement998 cc
LayoutDOHC Inline-4
Valves20
Redline11 750 RPM
Idling speed1 200 RPM
ManagementFuel Injection
Compression11.80:1
Bore x Stroke74.0 mm x 58.0 mm
Throttle bore40.0 mm
CoolingLiquid
Weight to power2.80 lbs/hp
Power to weight893 hp/2500lbs
Brakes
Front brakesTwo discs
Front caliper4 pistons
Front brake diameter298 mm
Rear brakesDisc
Rear caliper4 pistons
Rear brake diameter220 mm
Tires
Front tire120/70 R17
Rear tire190/50 R17