These are the known mechanical and performance specifications for your 1925 BMW R37.
Basic Specs
Engine
Displacement494.00 ccm (30.14 cubic inches)
Type
DetailsTwo cylinder boxer, four-stroke
Max RPM
Compression6.2:1
Bore/Stroke68.0 x 68.0 mm (2.7 x 2.7 inches)
Valves/Cylinder
FuelingCarburettor. 26mm
IgnitionBosh magento
Exhaust
LubricationWet sump
CoolingAir
Drivetrain
Gearbox3-speed
Final DriveShaft drive (cardan)
ClutchSingle plate dry-cable operated
Driveline
Performance
Horespower16.04 HP (11.7 kW)
Torque
Top Speed115.0 km/h (71.5 mph)
Fuel Economy & Polution
Fuel Consumption4.00 litres/100 km (25.0 km/l or 58.81 mpg)
Fuel Capacity14.00 litres (3.70 gallons)
Emissions92.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel doble cradle
Rake
Trail
Front SuspensionLeading link
Front Travel
Rear SuspensionRigid
Rear Travel
SeatSolo seat with springs
Seat Height
Alt. Seat Height
Total Height950 mm (37.4 inches)
Total Length2,100 mm (82.7 inches)
Total Width800 mm (31.5 inches)
Ground Clearance
Wheelbase1,380 mm (54.3 inches)
Dry Weight
Wet Weight134.0 kg (295.4 pounds)
Wheels & Brakes
Front Tire/Tyre2.99-26
Rear Tire/Tyre2.99-26
Front BrakesExpanding brake (drum brake)
Front Brake Diameter150 mm (5.9 inches)
Rear Brakes
Rear Brake Diameter150 mm (5.9 inches)
Wheels
Comments