These are the known mechanical and performance specifications for your 1954 BMW R25 3.
Basic Specs
Engine
Displacement247.00 ccm (15.07 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression7.1:1
Bore/Stroke68.0 x 68.0 mm (2.7 x 2.7 inches)
Valves/Cylinder
FuelingCarburettor. Bing
IgnitionBattery
Exhaust
LubricationWet sump
CoolingAir
Drivetrain
Gearbox4-speed
Final DriveShaft drive (cardan)
ClutchSingle plate dry-cable operated
Driveline
Performance
Horespower13.05 HP (9.5 kW)
Torque
Top Speed88.0 km/h (54.7 mph)
Fuel Economy & Polution
Fuel Consumption2.90 litres/100 km (34.5 km/l or 81.11 mpg)
Fuel Capacity12.00 litres (3.17 gallons)
Emissions67.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeClosed steel loop-welded
Rake
Trail
Front SuspensionCartridge
Front Travel
Rear SuspensionTelscopic
Rear Travel
SeatSpring-mounted seat
Seat Height730 mm (28.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height710 mm (28.0 inches)
Total Length2,065 mm (81.3 inches)
Total Width760 mm (29.9 inches)
Ground Clearance92 mm (3.6 inches)
Wheelbase1,335 mm (52.6 inches)
Dry Weight
Wet Weight150.0 kg (330.7 pounds)
Wheels & Brakes
Front Tire/Tyre3.27-18
Rear Tire/Tyre3.27-18
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