Difference between revisions of "BMW R 3"

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{{Infobox Motorcycle
{{Motorcycle
|name            = '''BMW R 3'''
|name            = '''BMW R 3'''
|image            =
|image            =

Revision as of 23:09, 29 July 2019


'BMW R 3'
Manufacturer
[[BMW]]
Production 1937
Class [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]]
Engine
air-cooled, four-stroke, single vertical cylinder
Bore / Stroke 68.6mm x 68.6mm
Compression ratio 6.0:1
Horsepower 11.0 HP (8.2 KW) @ 4200RPM
Transmission Gear box: 4-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: parallelogram fork
Rear: hard-tail, sprung seat
Brakes Front: 200mm drum
Rear: 200mm drum
Front Tire 3.50 x 26
Rear Tire 3.50 x 26
Weight 149.0 kg (wet)
Manuals Service Manual


The BMW R 3 was a air-cooled, four-stroke, single vertical cylinder Classic motorcycle produced by BMW in 1937. Claimed horsepower was 11.0 HP (8.2 KW) @ 4200 RPM.

Engine

A 68.6mm bore x 68.6mm stroke result in a displacement of just 305.0 cubic centimeters.

Drive

The bike has a 4-speed, manual transmission. Power was moderated via the dry, single plate.

Chassis

It came with a 3.50 x 26 front tire and a 3.50 x 26 rear tire. Stopping was achieved via 200mm drum in the front and a 200mm drum in the rear. The front suspension was a parallelogram fork while the rear was equipped with a hard-tail, sprung seat.

1937 BMW R 3

1937 BMW R 3

The 1937 MY BMW R 3 has, at its heart, an air-cooled, four-stroke, 305cc, single vertical cylinder powerplant paired to a four-speed manual transmission, that can produce a claimed 11 horsepower at 4200 rpm. Standard features include laced wheels, a rigid rear suspension with a sprung seat, a parallelogram front fork, a large headlight, a taillight, a drum braking system and large fenders.


In Media