Yamaha YZF-R1back 2004 forward

Water cooled, 998cc, Inline-4, DOHC

Power: 171.31 HP (126 kW) @ 12500 rpm
Torque: 107 Nm (78.92 lb-ft) @ 10500 rpm
Final drive: Chain
Dry weight: 396.8 lbs
Category: Supersport
Tags: Supersport
Engine and transmission
Engine type: 4 cylinders, 4-stroke, Inline
Displacement: 998 cc (60.98 cubic inches)
Bore × stroke: 3.03 inch × 2.11 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 171.31 HP (126 kW) @ 12500 rpm
Torque: 107 Nm (78.92 lb-ft) @ 10500 rpm
Throttle: Cable operated
Valves
Valve train: DOHC, variable
Valves per cylinder: 5
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Fuel injection
Ignition type: TCI (Transistor Controlled Ignition)
Funnel diameter: 1.77 inch
Compression: 12.4:1
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, CR9EK
Motor oil: Synthetic, 10W/40
Starter: Electric
Dimensions
Physical measures
Length: 81.3 inch
Width: 28.3 inch
Height: 43.5 inch
Wheel base: 54.9 inch
Trail: 3.8 inch
Ground clearance: 5.31 inch
Seat height: 32.8 inch
Weight
Dry weight: 396.8 lbs
Chassis and suspension
Frame type: aluminium, twin spar
Front
Suspension: Cartridge - upside-down
Suspension travel: 4.72 inch
Fork angle: 24°
Brake: Twin Disk, Ø12.6 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, Ø8.66 inch
Tire: 190 / 50 R17 ZR
Tire pressure: 0.2 PSI, with pillion: 0.2 PSI withpilion
Other
ABS available: No
Fuel capacity: 4.85 gals
Number of riders: 2 persons

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