BMW R37: history, specs, pictures
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| Manufacturer | BMW |
|---|---|
| Production | 1925 |
| Class | Classic |
| Engine | air-cooled, four-stroke, boxer twin cylinder, OHV |
| Bore / Stroke | 68.6mm x 68.6mm |
| Compression ratio | 6.2:1 |
| Horse Power | 15.96 HP (11.9 KW) @ 4000RPM |
| Transmission | Gear box: 3 speed, manual Clutch: dry, single plate |
| Suspension | Front: twin cantilever spring Rear: hard-tail, sprung seat |
| Brakes | Front: 150mm drum Rear: block brake |
| Front Tire | 26 x 3.00 |
| Rear Tire | 26 x 3.00 |
| Wheelbase | 54.33 inches (1380 mm) |
| Dimensions | L 82.68 inches (2100 mm) W 31.5 inches (800 mm) |
| Weight | (dry), 134.0 kg (wet) |
| Manuals | Service Manual |
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The BMW R 37 was a air-cooled, four-stroke, boxer twin cylinder, OHV Classic motorcycle produced by BMW in 1925. Claimed horsepower was 15.96 HP (11.9 KW) @ 4000 RPM.
Engine
A 68.6mm bore x 68.6mm stroke result in a displacement of just 494.0 cubic centimeters.
Drive
The bike has a 3 speed, manual transmission. Power was moderated via the dry, single plate.
Chassis
It came with a 26 x 3.00 front tire and a 26 x 3.00 rear tire. Stopping was achieved via 150mm drum in the front and a block brake in the rear. The front suspension was a twin cantilever spring while the rear was equipped with a hard-tail, sprung seat. The wheelbase was 54.33 inches (1380 mm) long.
1925 - 1927 BMW R 37
1925 BMW R37
1925 BMW R37 Left Side
1925 BMW R37 Engine Right side
1925 BMW R37 Engine left side
1925 BMW R37 drive shaft
1925 BMW R37 Handlebars
The 1925 BMW R 37 comes with features such as front and rear luggage racks, laced wheels with whitewall tires mounted on them, a cantilever spring front suspension coupled to a hard-tail in the rear, a single, sprung saddle, a front drum brake and a block brake in the rear, a center stand and pull-back handlebars. In the engine department it sports an air-cooled, four-stroke, 494cc, boxer twin cylinder engine mated to a three-speed manual transmission and can produce a claimed 16 horsepower at 4000 rpm.
References
- ↑ 1925 BMW R37 Auction. Mecum.
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| Manufacturer | BMW |
|---|---|
| Production | 1925 - 1926 |
| Engine | two cylinder boxer, four-stroke |
| Bore / Stroke | 68.0mm x 68.0mm |
| Top speed | 71 mph (115 km/h) |
| Horse Power | 15.69 HP (11.7 KW) @ 4000RPM |
| Fuel system | carburettor. 26mm |
| Ignition type | bosh magento |
| Battery | 6.2:1 |
| Transmission | Gear box: 3-speed Final Drive: shaft drive (cardan) |
| Suspension | Front: leading link Rear: rigid |
| Brakes | Front: expanding brake (drum brake) |
| Front Tire | 2.99-26 |
| Rear Tire | 2.99-26 |
| Wheelbase | 54.33 inches (1380 mm) |
| Dimensions | L 82.68 inches (2100 mm) W 31.5 inches (800 mm) H 37.4 inches (950 mm) |
| Weight | (dry), 134.0 kg (wet) |
| Fuel capacity | 3.7 Gallon (14.00 Liters) |
| Fuel consumption | 4.00 litres/100 km (25.0 km/l or 58.81 mpg) |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
The BMW R37 was a two cylinder boxer, four-stroke standard produced by BMW between 1925 and 1926. It could reach a top speed of 71 mph (115 km/h). Claimed horsepower was 15.69 HP (11.7 KW) @ 4000 RPM.
Engine
The engine was a air cooled two cylinder boxer, four-stroke. A 68.0mm bore x 68.0mm stroke result in a displacement of just 494.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
Drive
The bike has a 3-speed transmission. Power was moderated via the single plate dry-cable operated.
Chassis
It came with a 2.99-26 front tire and a 2.99-26 rear tire. The front suspension was a leading link while the rear was equipped with a rigid. The R37 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 54.33 inches (1380 mm) long.