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BMW R 80 Mono

Make Model	BMW R 80 Mono
Year	1984-85
Engine	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity	797.5 cc / 48.7 cu in.
Bore x Stroke	84.8 x 70.6 mm
Cooling System	Air cooled
Compression Ratio	9.2:1
Induction	2 x Bing constant depression carburetors
Ignition	Battery ignition
Alternator	Bosch 12 V/280 W
Spark Plug	Bosch W 7 D / Beru14-7DU / Champion N9YC
Starting	Electric
Max Power	36.4 kW / 50 hp @ 6500 rpm
Max Torque	58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm
Clutch	Dry single plate, with diaphragm spring
Transmission	5 Speed
Final Drive	Shaft
Gear Ratio	1st 4.40 /2nd 2.86 /3rd 2.07 /4th 1.67 /5th 1.50:1
Rear Wheel Ratio	1:3.20 or 1:3.36
Frame	Double loop tubular frame with bolt on rear section
Front Suspension	Telescopic hydraulic forks.
Front Wheel Travel	175 mm / 6.8 in
Rear Suspension	Monolever swinging arm.
Rear Wheel Travel	120 mm / 4.7 in
Front Brakes	Single ∅285mm disc, 1 piston calipers
Rear Brakes	∅200mm Drum
Front Wheel	MTH 2.50 x 18 E
Rear Wheel	MTH 2.50 x 18 E
Front Tyre	90/90-17
Rear Tyre	120/90-18
Dimensions	Length 2175 mm / 85.6 in Width 800 mm / 31.2 in Height 1106 mm / 43.5 in
Wheelbase	1447 mm / 56.9 in
Ground Clearance	140 mm / 5.51 in
Wet Weight	210 kg / 462 lbs
Fuel Capacity	22 Litres / 5.8 US gal
Consumption Average	5.9 L/100 km 17.0 km/l / 40 US mpg
Standing ¼ Mile	14.5 sec
Top Speed	180 km/h / 112 mph