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BMW R 100

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Make Model

BMW R 100

Year

1980-81

Engine

Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder

Capacity

980 cc / 59.8 cu in.
Bore x Stroke 94 x 70.6 mm
Cooling System Air cooled
Compression Ratio 8.2:1

Induction

2 x constant depression carburetors, Bing  V 94/40/111 - 94/40/112

Ignition 

Contact free electronic ignition (Bosch)
Alternator Bosch 280 W
Spark Plug Bosch W 5 D / Beru 14-5D / Champion N6Y
Starting Electric

Max Power

48.8 kW / 66.6 hp @ 7000 rpm

Max Torque

72 Nm / 7.34 kgf-m / 53.1 lb-ft @ 5500 rpm
Clutch Single dry plate

Transmission 

5 Speed 
Final Drive Shaft
Gear Ratio 1st 4.40.  2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Gear Ratio Sport Version 1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50:1
Rear Wheel Ratio 1:3.00
Bevel / Crown wheel 11/33 teeth or 10/32 teeth
Frame Double sown tubs, dual cradle

Front Suspension

Telescopic fork with hydraulic shock absorber.

Front Wheel Travel 200 mm / 7.8 in

Rear Suspension

Long swinging arm with adjustable strut.

Rear Wheel Travel 125 mm / 4.9 in

Front Brakes

Single 260mm disc

Rear Brakes

200 Drum
Front Wheel 2.15 - B19
Rear Wheel 2.50 - B18

Front Tyre

3.25 - H19

Rear Tyre

4.00 - H18
Dimensions

Length  2210 mm / 87.0in

Width    746 mm / 29.4 in

Height  1210 mm / 47.6 in

Wheelbase 1465 mm / 57.67 in
Seat Height 820 mm / 32.3 in
Ground Clearance 165 mm / 6.49 in
Dry Weight 198 kg / 436.5 lbs

Wet Weight

218 Kg / 480 lbs

Fuel Capacity 

24 L / 6.3 US gal
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