1981 BMW R 65LS technical specifications

Technical specifications

Model: R 65LS
Years: 1981
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder
Capacity: 649.6 cc / 39.6 cu-in
Bore x Stroke: 82 x 61.5 mm
Compression Ratio: 9.2:1
Cooling System: Air cooled
Induction: 2 x Bing constant depression carburetors
Ignition: Bosch contact free electronic ignition
Starting: Electric
Max Power: 45 hp / 32.8 kw @ 7250 rpm
Max Torque: 45 Nm / 4.6 kgf-m / 33.2 lb-ft @ 6000 rpm
Transmission: 5 Speed
Final Drive: Shaft
Front Suspension: Telescopic hydraulic forks
Front Wheel Travel: 175 mm / 6.9 in
Rear Suspension: Long swinging arm with adjustable strut
Rear Wheel Travel: 110 mm / 4.3 in
Front Brakes: 2 x 260mm discs, 2 piston calipers
Rear Brakes: Single 200mm disc, 1 piston caliper
Front Tyre: 3.25 - S18
Rear Tyre: 4.00 -S18
Wet Weight: 207 kg / 465 lbs
Fuel Capacity: 22 Litres / 5.8 US gal

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