|Also called||R 61|
|Production||1938 - 1941|
|Engine||two cylinder boxer, four-stroke|
|Bore / Stroke||70.0mm x 78.0mm|
|Top speed||71 mph (115 km/h)|
|Horse Power||17.57 HP (13.1 KW) @ 4800RPM|
|Transmission||Gear box: 4-speed |
Final Drive: shaft drive (cardan)
|Suspension||Front: leading link |
Rear: twin shock-swingarm
|Brakes||Front: expanding brake (drum brake). single |
Rear: expanding brake (drum brake)
|Wheelbase||55.12 inches (1400 mm)|
|Dimensions||L 83.86 inches (2130 mm)|
W 32.09 inches (815 mm)
H 37.8 inches (960 mm)
|Weight||(dry), 184.0 kg (wet)|
|Fuel capacity||3.7 Gallon (14.00 Liters)|
|Fuel consumption||3.50 litres/100 km (28.6 km/l or 67.21 mpg)|
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The BMW R61 was a two cylinder boxer, four-stroke Classic motorcycle produced by BMW between 1938 and 1941. It could reach a top speed of 71 mph (115 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 4800 RPM.
The bike has a 4-speed transmission. Power was moderated via the dry-single plate-cable operated.
It came with a 3.50-19.00 front tire and a 3.50-19.00 rear tire. Stopping was achieved via expanding brake (drum brake). single in the front and a expanding brake (drum brake) in the rear. The front suspension was a leading link while the rear was equipped with a twin shock-swingarm. The R61 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 55.12 inches (1400 mm) long.
1938 - 1941 BMW R 61
The 1938 BMW R 61 has, at its heart, an air-cooled, four-stroke, 600cc, single vertical cylinder powerhouse paired to a four-speed manual transmission that can produce a claimed 18 horsepower at 4800 rpm. It also comes with a single, sprung seat, wide handlebars, a large headlamp, a rear luggage rack, laced wheels, a telescopic front fork, plunger shocks in the rear, a front drum brake coupled to an external shoe brake at the gearing on cardan shaft and a dry, single plate clutch.