1937 BMW R20 Specs

motorcycle specs

These are the known mechanical and performance specifications for your 1937 BMW R20.

Basic Specs

Year1937
MakeBMW
ModelBMW R20
Cost

Engine

Displacement192.00 ccm (11.72 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression6.1:1
Bore/Stroke63.0 x 64.0 mm (2.5 x 2.5 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionBattery
Exhaust
LubricationWet sump
CoolingAir

Drivetrain

Gearbox3-speed
Final DriveShaft drive (cardan)
ClutchDry-multiplate-cable operated
Driveline

Performance

Horespower8.02 HP (5.9 kW)
Torque
Top Speed95.0 km/h (59.0 mph)

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity12.00 litres (3.17 gallons)
Emissions

Chassis

Frame TypeSteel-single cradlel
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionRigid
Rear Travel
SeatSolo seat with springs
Seat Height
Alt. Seat Height
Total Height900 mm (35.4 inches)
Total Length2,000 mm (78.7 inches)
Total Width800 mm (31.5 inches)
Ground Clearance
Wheelbase1,330 mm (52.4 inches)
Dry Weight
Wet Weight130.0 kg (286.6 pounds)

Wheels & Brakes

Front Tire/Tyre2.99-19
Rear Tire/Tyre2.99-19
Front BrakesExpanding brake (drum brake)
Front Brake Diameter160 mm (6.3 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter160 mm (6.3 inches)
Wheels

Comments

It appears you're interested in specifications for the BMW R20. This Allround model is powered by a Single cylinder, four-stroke engine with 192.00 ccm (11.72 cubic inches) of actual displacement before 6.1:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 8.02 HP (5.9 kW) horsepower and torque. According to our records engine heat of the BMW R20 is moderated by Air. You'll need to get familiar with the 3-speed transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 2.99-19 and the rear is 2.99-19 . The entire package is supported by the frame, Steel-single cradlel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The BMW R20 was launched in 1937, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.