BMW R 68 SDT Special

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BMW R 68 SDT Special
Production 1952
Class Classic
air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder
Bore / Stroke 71.1mm x 71.1mm
Compression ratio 8.0:1
Horsepower 35.0 HP (26.1 KW) @ 7000RPM
Transmission Gear box: 4-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: telescopic fork
Rear: plunger shocks, sprung seat
Brakes Front: 200mm drum
Rear: 200mm drum
Front Tire 3.50 - 19
Rear Tire 3.50 - 19
Weight 191.0 kg (wet)
Manuals Service Manual

The BMW R 68 SDT Special was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Classic motorcycle produced by BMW in 1952. Claimed horsepower was 35.0 HP (26.1 KW) @ 7000 RPM.


A 71.1mm bore x 71.1mm stroke result in a displacement of just 594.0 cubic centimeters.


The bike has a 4-speed, manual transmission. Power was moderated via the dry, single plate.


It came with a 3.50 - 19 front tire and a 3.50 - 19 rear tire. Stopping was achieved via 200mm drum in the front and a 200mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a plunger shocks, sprung seat.

1952 - 1955 BMW R 68 SDT Special[edit]

1952 - 1955 BMW R 68 SDT Special

The 1952 BMW R 68 SDT Special is the sportier version from the House of Munich, and, unlike the base model, has a high-mounted, single exhaust system, with a larger torpedo muffler, as well as improved performance and a single, sprung seat. In all other departments, it has the same features as the base model.

Power-wise, it can reach a maximum output of 35 horsepower at 7000 rpm from its air-cooled, four-stroke, 594cc, boxer twin cylinder engine mated to a four-speed manual transmission.