AI
Bmw
R 71
Classic · 746 cc
- Engine
- 746 cc
- Power
- 22 hp
- Weight
- 187 kg
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Model family
R 71 at a glance
Quick reference values. Model year, generation and trim can differ.
Displacement
746 cc
Power
22 hp · 16 kW
Category
Classic
Specifications
- Displacement
- 746 cc
- Power
- 22 hp · 16 kW
- Weight
- 187 kg
- Fuel capacity
- 14 l
- Top speed
- 125 km/h
- Production
- 1938 – 1941
- Category
- Classic
Comparable models
Also worth considering
Models in the same category and price range to consider alongside the R 71.
Generations and editions
Features and handling differ by generation. Use this overview to find the right version.
1 variants
Years
1938 - 1941
R 71 (1938-1941)
GenerationThe 1938-1941 R 71 is the 746 cc side-valve touring boxer with 22 hp, a four-speed gearbox, shaft drive and plunger rear suspension. It was BMW's last side-valve and could be supplied with optional hand shift; the OHV R 66 is a separate sports model.
746 cc22 hp2 cyl.A2 suitable
About this model
About the Bmw R 71
The 1938-1941 BMW R 71 is the 746 cc long-distance tourer from BMW's last pre-war large-boxer range. Its 22 hp side-valve boxer, shaft drive, plunger rear suspension and comfortable chassis layout were aimed at long distances and sidecar use. The R 71 is an important endpoint in the development: according to BMW, it was the last BMW with a side-valve engine and the last with an optional hand shift.
Do not confuse an R 71 with an OHV R 66 or motorcycles inspired by it: check frame number, 746 cc side-valve engine, correct gearbox and original components. Assess engine, shaft, suspension, brakes, wheels and 6V electrics for maintenance and safety. On a historic sidecar-capable tourer, matching numbers, correct frame/engine combination and restoration documentation are essential.
- Category
- Classic
- Production
- 1938 – 1941
- Power
- 22 hp
- Weight
- 187 kg
Before you buy
What to check before buying
- Confirm R 71, 1938-1941 years, frame number and 746 cc side-valve engine; do not confuse it with an OHV R 66 or later derivative.
- From cold, check the side-valve boxer for compression, valve noise, oil circulation and leaks around heads, crankcase and transmission.
- Test the four-speed gearbox, foot or optional hand shift where fitted, clutch, shaft and final drive for function, play and oil loss.
- Inspect plunger rear suspension, telescopic fork, frame and mountings for wear, corrosion, distortion or incorrect sidecar modifications.
- Check 200 mm drum brakes, spoked wheels, tyres and the 6V ignition/charging system for safe operation; assess sidecar use only with correct mountings.