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presentation of the R20 1938
The BMW R20 is the successor to the R2, with a number of significant changes. The frame, fork and engine were all new, marking a real break with the previous generation of single-cylinder bikes. The R20 cost 725 Reichsmarks when it came out in 1936, and owed part of its success to the fact that it could be driven without a license. This BMW was intended to be affordable: its price was half that of the 500 R5, and it was presented as an economical vehicle.
The bike had no rear suspension. It did, however, feature a telescopic fork. Around 5,000 examples were produced, before a change in legislation led to its replacement.
M.B - Photos D.R
Key facts BMW R20 (1938) : What you need to know before you buy
Prices
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Performance
- Max speed : 95 km/h (59 mph)
- Average fuel consumption : 2.75 liters/100km (0.86 mpg)
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Estimated range
: 436 km (271 miles)
Calculated range until tank is empty, not verified.
Specifications BMW R20 1938
- Chassis
- Frame : double tubular steel cradle
- Fuel capacity : 12 liters (3.17 US gallons)
- Length : 2,000 mm (78.74 in)
- Width : 800 mm (31.50 in)
- Min height : 920 mm (36.22 in)
- Wheelbase : 1,330 mm (52.36 in)
- Weight when fully loaded : 130 kg (287 lb)
- Front axle
- Telescopic fork Ø nc
- drum brakes Ø 160 mm (6.3 in)
- Front tire : 3.00 - 19 → Order this type of tire
- Transmission
- 3 stage gearbox
- Secondary cardan shaft
- Rear axle
- rigide
- drum brakes Ø 180 mm (7.09 in)
- Rear tire : 3 / 0 - 19 → Order this type of tire
- Motor
- single-cylinder , 4 strokes
- 1 carburettor Ø 18.2 mm
- Cooling system : by air
- 2 valves
- 192 cc
- 8 ch (7.90 hp) to 5,400 rpm
- Power-to-weight ratio : approximately 15.06 kg/ch
- Compression : 6 : 1
- Practical information
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FAQ Your frequently asked questions about the R20 1938
- What is the power of the R20 1938?
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The R20 1938 develops a power of 8 ch (7.90 hp)
- What is the maximum speed of the R20 1938?
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The R20 1938 is capable of reaching a top speed of 95 km/h (59 mph) on the track.
- What is the weight of the R20 1938?
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The R20 1938 has a a weight when fully loaded of 130 kg (287 lb).
- What is the fuel consumption of the R20 1938?
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Average fuel consumption is estimated at 2.75 l/100km (0.86 mpg) according to the WMTC cycle.
- What is the price of the R20 1938?
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, in France
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