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BMW R 65 Mono

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Make Model

BMW R 65 Monolever

Year

1984

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 8.4:1
Cooling System Air cooled

Induction

2 x Bing constant depression carburetors

Ignition 

Bosch contact free electronic ignition

Starting

Electric

Max Power

33 kW / 45 hp @ 7250 rpm  (rear tyre 31.3 kW / 42 hp @ 7200 rpm)

Max Torque

45.1 Nm / 4.6 kgf-m / 33.3 lb-ft @ 6000 rpm

Transmission

5 Speed

Final Drive

Shaft

Front Suspension

Telescopic hydraulic forks

Front Wheel Travel

175 mm / 6.9"

Rear Suspension

Monolever swinging arm

Rear Wheel Travel

120 mm / 4.7"

Front Brakes

2x ∅260mm discs, 2 piston calipers

Rear Brakes

Single ∅200mm drum

Front Tyre

90/90 - 18

Rear Tyre

120/90 - 18

Wet-Weight

196 kg / 432 lbs

Fuel Capacity 

22 liters / 5.8 US gal

Consumption Average

5.95 L/100 km / 16.8 km/l / 39.5 mpg

Braking 60 km/h - 0

14.8 m / 48.6 ft

Braking 100 km/h - 0

42.3 m / 138.8 ft

Standing ¼ Mile  

14 sec / 143.4 km/h / 89.1 mph

Top Speed

168.7 km/h / 104.8 mph
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The smallest BMW boxer twin available in the U.S in 1984. features all the top-flight components expected from BMW: quartz headlight, pressure die-cast aluminum spoke wheels, 260mm drilled disc brakes up front, 5.8-gallon fuel tank and shaft drive. Tall gearing allows this standard 650 to gobble up highway miles like a 750, and supple, long-travel suspension can make short work of rough, twisting roads. As with all BMWs, only made-in-'83 models was sold in California because of emissions regulations.