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1982 BMW R 45 technical specifications

BMW R 45 technical specifications

Technical specifications

Model: R 45
Years: 1982 - 85
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity: 453 cc / 27.6 cu in.
Bore x Stroke: 70 x 61.5 mm
Compression Ratio: 8.2:1
Cooling System: Air cooled
Induction: 2 x Bing V65 carburetors
Ignition: Bosch contact free electronic ignition
Max Power: 20 kW / 27 hp @ 6500 rpm
Max Torque: 37.5 Nm 3.8 kgf-m / 27.65 lb-ft @ 5500 rpm
Transmission: 5 Speed
Final Drive: Shaft
Front Suspension: Telescopic hydraulic forks
Front Wheel Travel: 175 mm / 6.9"
Rear Suspension: Long swinging arm with adjustable strut
Rear Wheel travel: 110 mm / 4.3"
Front Brakes: 2 x ∅260mm Discs, 2 piston caliper.
Rear Brakes: Single ∅200mm drum
Front Tyre: 1.85 - B18
Rear Tyre: 2.50 - B18
Dry Weight: 185 kg / 408 lbs
Fuel Capacity : 22 Litres / 5.8 US gal

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