BMW R32

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BMW R32
1923 BMW R32
Manufacturer BMW
Also called R 32
Production 1923 - 1926
Class Classic
Engine two cylinder boxer, four-stroke
Bore / Stroke 68.0mm x 68.0mm
Compression ratio 5.0:1
Top speed 59 mph (95 km/h)
Horse Power 8.45 HP (6.3 KW) @ 3200RPM
Ignition type magneto
Battery 5.1:1
Transmission Gear box: 3-speed

Final Drive: shaft drive (cardan)

Clutch: single plate dry-cable operated
Suspension Front: leading link
Rear: hard-tail, sprung seat
Brakes Front: expanding brake (drum brake)
Rear: 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), 122.0 kg (wet)
Fuel capacity 3.7 Gallon (14.00 Liters)
Fuel consumption 3.00 liters/100 km (33.3 km/l or 78.41 mpg)
Manuals Service Manual
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The BMW R32 was a two cylinder boxer, four-stroke Classic motorcycle produced by BMW between 1923 and 1926. It could reach a top speed of 59 mph (95 km/h). Claimed horsepower was 8.45 HP (6.3 KW) @ 3200 RPM.


Intro[edit]

A 1923 BMW R32, with a shaft-drive, boxer twin engine

The R32 was the first BMW motorcycle ever manufactured. It was powered by a boxer engine that produced 8bhp at 3300 RPM. It was a rather expensive motorcycle but sold well due to it's clever design and nice fit and finish.

Engine[edit]

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[edit]

The bike has a 3-speed transmission. Power was moderated via the single plate dry-cable operated.

Chassis[edit]

It came with a 2.99-26 front tire and a 2.99-26 rear tire. Stopping was achieved via expanding brake (drum brake) 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 hard-tail, sprung seat. The R32 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 54.33 inches (1380 mm) long.

1923 - 1926 BMW R 32[edit]


The 1923 BMW R 32 has, at its heart, an air-cooled, four-stroke, 494cc, single vertical cylinder engine mated to a three-speed manual transmission, capable of producing 8.5 horsepower at 3200 rpm. This machine also came with laced wheels, a center stand, a parallelogram front suspension coupled to a hard-tail rear, a single sprung seat, a rear luggage rack, drum brakes in the front and in the rear, a front luggage rack, a small headlight and wide handlebars.

In Media[edit]