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Allround · 1938

R35

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MotoLibrary Score
38 /100 Commuter
Power
14 HP
Top Speed
100 km/h
Engine
342 ccm

1938 BMW R35 Technical Analysis & Specification Breakdown

Positioned in BMW's allround motorcycle lineup, the 1938 BMW R35 relies on a 342 cc (20.9 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 14 HP (10.2 kW) at 3,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and shaft drive (cardan) final drive. With a specific output of 40.9 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the R35 measures 152 kg (335 lbs) wet (curb), translating to a power-to-weight ratio of 0.09 HP/kg (10.86 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,400 mm (55.1 in) wheelbase engineered for quick, flickable steering geometry.

Within MotoLibrary's BMW archive, this model family spans 4 indexed model years from 1937 to 1940, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
40.9 HP/L
Power-to-Weight
0.09 HP/kg (10.86 kg/HP)
Engine
Displacement 342.0 ccm (20.87 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 14.0 HP (10.2 kW)) @ 3500 RPM
Compression 6.1:1
Bore x Stroke 72.0 x 84.0 mm (2.8 x 3.3 inches)
Fuel System Carburettor. SUM CK 9/22
Fuel Control Overhead Valves (OHV)
Ignition Batery
Lubrication Wet sump
Cooling Air
Transmission
Gearbox 4-speed
Final Drive Shaft drive (cardan) (final drive)
Clutch Single plate dry-cable operated
Performance
Top Speed 100.0 km/h (62.1 mph)
Fuel Consumption 3.00 litres/100 km (33.3 km/l or 78.41 mpg)
Greenhouse Gases 69.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame Type Steel twin looped
Front Suspension Cartridge
Rear Suspension Rigid
Wheelbase 1400 mm (55.1 inches)
Wheels & Brakes
Front Tyre 3.50-19
Rear Tyre 3.50-19
Front Brakes Expanding brake (drum brake)
Front Brake Ø 180 mm (7.1 inches)
Rear Brakes Expanding brake (drum brake)
Rear Brake Ø 180 mm (7.1 inches)
Dimensions & Weight
Weight incl. 152.0 kg (335.1 pounds)
Overall Height 950 mm (37.4 inches)
Overall Length 2000 mm (78.7 inches)
Overall Width 800 mm (31.5 inches)
Other
Starter Kick
Carrying Capacity 200kg
More from BMW
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Transmission
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Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌍
Best For
All-Round & Adventure
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