Yamaha YZF-R1back 2001 forward

Water cooled, 998cc, Inline-4, DOHC

Power: 148.88 HP (109.5 kW) @ 10000 rpm
Torque: 108 Nm (79.66 lb-ft) @ 8500 rpm (cranksh) (Ram-air)
Final drive: Chain
Top speed: 173.98 mph
Curb weight: 427.7 lbs
Category: Supersport
Tags: Supersport
Engine and transmission
Engine type: 4 cylinders, 4-stroke, Inline
Displacement: 998 cc (60.98 cubic inches)
Bore × stroke: 2.91 inch × 2.28 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 148.88 HP (109.5 kW) @ 10000 rpm (cranksh) (Ram-air)
Torque: 108 Nm (79.66 lb-ft) @ 8500 rpm (cranksh) (Ram-air)
Throttle: Cable operated
Valves
Valve train: DOHC, variable
Valves per cylinder: 5
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: TCI (Transistor Controlled Ignition)
Funnel diameter: 1.57 inch
Compression: 11.8:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual 6-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: NGK, CR9E
Motor oil: Mineral, 20W/40
Starter: Electric
Dimensions
Physical measures
Length: 82.5 inch
Width: 27.4 inch
Height: 4.5 inch
Wheel base: 54.9 inch
Trail: 3.6 inch
Ground clearance: 5.51 inch
Seat height: 32.1 inch
Weight
Curb weight: 427.7 lbs
Dry weight: 385.8 lbs
Chassis and suspension
Frame type: aluminium, twin spar
Front
Suspension: Cartridge - upside-down
Suspension travel: 5.31 inch
Fork angle: 24°
Brake: Twin Disk, Ø11.73 inch
Tire: 120 / 70 R17 zr
Tire pressure: 0.17 PSI, with pillion: 0.17 PSI withpilion
Rear
Suspension: mono shock, Swingarm
Suspension travel: 5.12 inch
Brake: Disk, Ø9.65 inch
Tire: 190 / 50 R17 zr
Tire pressure: 0.17 PSI, with pillion: 0.2 PSI withpilion
Other
ABS available: No
Power-to-weight ratio: 0.56 KW/lbs (1.77 lbs/HP)
Top speed: 173.98 mph
Fuel capacity: 4.76 gals
Number of riders: 2 persons

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