These are the known mechanical and performance specifications for your 1928 BMW R62.
Basic Specs
Engine
Displacement745.00 ccm (45.46 cubic inches)
Type
DetailsTwo cylinder boxer, four-stroke
Max RPM
Compression5.5:1
Bore/Stroke83.0 x 68.0 mm (3.3 x 2.7 inches)
Valves/Cylinder
FuelingCarburettor. 22mm
Ignition
Exhaust
LubricationWet sump
CoolingAir
Drivetrain
Gearbox3-speed
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 Consumption
Fuel Capacity12.50 litres (3.30 gallons)
Emissions
Chassis
Frame TypeSteel-double 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
Wheelbase1,400 mm (55.1 inches)
Dry Weight
Wet Weight155.0 kg (341.7 pounds)
Wheels & Brakes
Front Tire/Tyre3.50-26.00
Rear Tire/Tyre3.50-26.00
Front BrakesExpanding brake (drum brake). Single
Front Brake Diameter
Rear Brakes
Rear Brake Diameter
Wheels
Comments