The 2003 BMW R1150R Rockster

 

Dimensions and Weights

Overall length 2170 mm
Overall width 970 mm (over mirrors)
Wheelbase 1487mm
Seat height 800 mm
Weight - wet 525 lbs
Maximum load 992 lbs
Top speed 122 mph

General

Type 2-cylinder 4-stroke flat twin
Bore x stroke 101 mm x 70.5 mm
Displacement 1130 cc
Horsepower 85 bhp
Torque 98Nm
Compression ratio 10.3
Valve control HC
Valves 2x34mm intake / 2x29mm exhaust
Valves per cylinder 4
Fuel supply Motronic MA 2.4
Fuel capacity 5.4 gallons
Alternator 700W
Battery 12V/19Ah
Cooling system Water/oil

Drivetrain

Clutch Single plate dry clutch, 165mm in diameter
Gear ratios 1st gear: 2.045/2.82
2nd gear: 1.6/2.82
3rd gear: 1.267/2.82
4th gear: 1.038/2.82
5th gear: 0.9/2.82
6th gear:
0.8/2.82

Frame and Suspension

Frame tubular spaceframe, engine serving as loadbearing component
Travel/Dimensions 120mm
Travel/Dimensions 135mm

Brakes

Front brakes dual disc
Front rotors 320mm
Rear brake single disc
Rear rotor 276mm

Wheels & Tires

Front tire 120/70-ZR17
Rear tire 170/60-ZR17

 

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