These are the known mechanical and performance specifications for your 1928 BMW R57.
Basic Specs
Engine
Displacement494.00 ccm (30.14 cubic inches)
Type
DetailsTwo cylinder boxer, four-stroke
Max RPM
Compression5.8:1
Bore/Stroke
Valves/Cylinder
FuelingCarburettor. 24mm Bing
Ignition
Exhaust
LubricationWet sump
CoolingAir
Drivetrain
Gearbox
Final DriveShaft drive (cardan)
ClutchDry-single plate-cable operated
Driveline
Performance
Horespower17.95 HP (13.1 kW)
Torque
Top Speed115.0 km/h (71.5 mph)
Fuel Economy & Polution
Fuel Consumption4.20 litres/100 km (23.8 km/l or 56.00 mpg)
Fuel Capacity12.00 litres (3.17 gallons)
Emissions97.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel doble cradle
Rake
Trail
Front SuspensionLeading link
Front Travel
Rear SuspensionLong swingarm-oil pressure shocks
Rear Travel
SeatSingle seat
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
Wheelbase1,400 mm (55.1 inches)
Dry Weight
Wet Weight195.0 kg (429.9 pounds)
Wheels & Brakes
Front Tire/Tyre3.50-26.00
Rear Tire/Tyre3.50-26.00
Front BrakesExpanding brake (drum brake)
Front Brake Diameter200 mm (7.9 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter200 mm (7.9 inches)
Wheels
Comments