Difference between revisions of "BMW R 3"
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{{Motorcycle | {{Motorcycle | ||
|name = '''BMW R 3''' | |name = '''BMW R 3''' | ||
| | |photo=bmw-r-3-1937-1937-0.jpg | ||
|aka = | |aka = | ||
|manufacturer = [[BMW]] | |manufacturer = [[BMW]] |
Revision as of 19:01, 9 November 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 |
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
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.