BMW R80 GS Kalahari (1997)

The 1997 BMW R80 GS Kalahari motorcycle has a four-stroke, two-cylinder horizontally opposed Boxer engine with a capacity of 797.5cc. It runs on a wet sump and has two Bing constant depression carburetors with battery ignition. Its maximum power is 50hp at 6500 RPM and its maximum torque is 61 Nm at 3750 RPM. It has a dry single plate clutch with a diaphragm spring and a five-speed transmission, with a final drive through a shaft. The bike has a double-loop tubular frame with bolt-on rear suspension and 40mm Marzocchi telescopic hydraulic forks in the front and a White Power rear suspension with Paralever shaft in the rear, providing 225 mm and 180 mm wheel travel, respectively. The front brake is a single 285 mm disc and rear brake is a 200 mm drum. The front wheel has a tire size of 90/90 x 21S and the rear wheel has a tire size of 130/80 x 17S. Its dimensions are 2290mm in length, 1000mm in width, and 1165mm in height with a wheelbase of 1514mm. The bike weighs 220kg and has a fuel capacity of 35 liters or 9.2 US gallons.


Technical specifications:

Make Model: BMW R 80GS Kalahari

Year: 1997


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
Lubrication: Wet sump
Compression Ratio: 8.2:1
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: 37 kW / 50 hp @ 6500 rpm
Max Torque: 61 Nm / 6.2 kgf-m / 44 ft lb @ 3750 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
Frame: Double loop tubular frame with bolt on rear section
Front Suspension: 40mm Marzocchi telescopic hydraulic forks.
Front Wheel Travel: 225 mm / 8.8 in
Rear Suspension: Whtie Power rear suspension with Paralever shaft
Rear Wheel Travel: 180 mm / 7.0 in
Front Brakes: Single 285mm disc
Rear Brakes: 200mm Drum
Front Tyre: 90/90 x 21S
Rear Tyre: 13/80 x 17S
Dimensions: Length 2290 mm / 90.1 in Width 1000 mm / 39.3 in Height 1165 mm / 45.8 in
Wheelbase: 1514 mm / 59.6 in
Ground Clearance: 200 mm / 7.87 in
Seat Height: 850 mm / 33.5 in
Wet Weight: 220 kg / 485 lbs
Fuel Capacity: 35 L / 9.2 US gal

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