BMW R71back 1940 forward

Air cooled, 746cc, Boxer, OHV

Power: 22.03 HP (16.2 kW) @ 4600 rpm
Final drive: Shaft
Top speed: 77.67 mph
Curb weight: 412.3 lbs
Category: Classic
Tags: All-rounder, Classic bike
Engine and transmission
Engine type: 2 cylinders, 4-stroke, Boxer
Displacement: 746 cc (45.58 cubic inches)
Bore × stroke: 3.07 inch × 3.07 inch (square)
Cooling system: Air cooled
Power: 22.03 HP (16.2 kW) @ 4600 rpm
Throttle: Cable operated
Valves
Valve train: OHV, variable
Valves per cylinder: 2
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Funnel diameter: 0.94 inch
Compression: 5.5:1
Engine mounting: Longitudinal
Lubrication system: Wet sump
Gear box: Manual 4-speed
Clutch: Dry, single plate, cable operated
Final drive: Shaft
Spark plug pipe type: Bosch, W 175 T1
Starter: Kick-starter
Dimensions
Physical measures
Length: 83.9 inch
Width: 32.1 inch
Height: 37.8 inch
Wheel base: 55.1 inch
Weight
Curb weight: 412.3 lbs
Chassis and suspension
Frame type: steel, Double cradle frame
Front
Suspension: Cartridge
Brake: Single Drum, Ø7.87 inch
Tire: 3.5 × 19
Rear
Suspension: twin shock, Swingarm
Brake: Drum, Ø7.87 inch
Tire: 3.5 × 19
Other
ABS available: No
Power-to-weight ratio: 0.09 KW/lbs (11.54 lbs/HP)
Top speed: 77.67 mph
Fuel capacity: 3.7 gals
Number of riders: 1 person

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