The BMW R 2 was a air-cooled, four-stroke, single vertical cylinder Classic motorcycle produced by BMW in 1931. Claimed horsepower was 8.05 HP (6.0 KW) @ 4500 RPM.
'BMW R 2' | |
Manufacturer | [[BMW]] |
---|---|
Production | 1931 |
Class | [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]] |
Engine | air-cooled, four-stroke, single vertical cylinder |
Bore / Stroke | 63.5mm x 63.5mm |
Compression ratio | 6.7:1 |
Horsepower | 8.05 HP (6.0 KW) @ 4500RPM |
Transmission | Gear box: 3-speed, manual Final Drive: shaft |
Suspension | Front: parallelogram fork Rear: hard-tail, sprung seat |
Brakes | Front: 180mm drum Rear: 180mm drum |
Front Tire | 3.00 x 25 |
Rear Tire | 3.00 x 25 |
Weight | 130.0 kg (wet) |
Manuals | Service Manual |
Engine
A 63.5mm bore x 63.5mm stroke result in a displacement of just 198.0 cubic centimeters.
Drive
The bike has a 3-speed, manual transmission. Power was moderated via the dry, single plate.
Chassis
It came with a 3.00 x 25 front tire and a 3.00 x 25 rear tire. Stopping was achieved via 180mm drum in the front and a 180mm drum in the rear. The front suspension was a parallelogram fork while the rear was equipped with a hard-tail, sprung seat.
1931 - 1936 BMW R 2
The 1931 BMW R 2 has, at its heart, an air-cooled, four-stroke, 198cc, single vertical cylinder lump mated to a three-speed manual transmission, that can produce a claimed 8 horsepower and 4500 rpm. This machine also comes with laced wheels, a parallelogram front suspension, a hard-tail rear suspension with a sprung single seat, a large headlight, a rear luggage rack and a drum braking system.