Difference between revisions of "BMW R39"
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{{Motorcycle | {{Motorcycle | ||
|name = '''BMW R39''' | |name = '''BMW R39''' | ||
|aka = | |aka = | ||
|manufacturer = [[BMW]] | |manufacturer = [[BMW]] | ||
| Line 22: | Line 21: | ||
|ignition = | |ignition = | ||
|spark_plug = | |spark_plug = | ||
|battery = | |battery = | ||
|transmission = Gear box: 3-speed <br> | |transmission = Gear box: 3-speed <br> | ||
Final Drive: [[shaft drive]] (cardan) <br> | Final Drive: [[shaft drive]] (cardan) <br> | ||
Revision as of 19:43, 9 November 2019
| 'BMW R39' | |
| Manufacturer | [[BMW]] |
|---|---|
| Production | 1926 - 1927 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 68.0mm x 68.0mm |
| Top Speed | 62 mph (100 km/h) |
| Horsepower | 5.9 HP (4.4 KW) @ 4000RPM |
| Fuel System | carburetor. 20mm bmw spezial |
| Transmission | Gear box: 3-speed Final Drive: shaft drive (cardan) |
| Suspension | Front: leading link Rear: rigid |
| Brakes | Front: expanding brake (drum brake) |
| Front Tire | 3.5-27 |
| Rear Tire | 3.5-27 |
| Length | 80.71 inches (2050 mm) |
| Width | 31.5 inches (800 mm) |
| Height | 37.4 inches (950 mm) |
| Weight | 110.0 kg (wet) |
| Manuals | Service Manual |
The BMW R39 was a single cylinder, four-stroke standard produced by BMW between 1926 and 1927. It could reach a top speed of 62 mph (100 km/h). Claimed horsepower was 5.9 HP (4.4 KW) @ 4000 RPM.
Engine
The engine was a air cooled single cylinder, four-stroke. A 68.0mm bore x 68.0mm stroke result in a displacement of just 247.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
Drive
The bike has a 3-speed transmission. Power was moderated via the dry-single plate-cable operated.
Chassis
It came with a 3.5-27 front tire and a 3.5-27 rear tire. The front suspension was a leading link while the rear was equipped with a rigid.