1953 BMW R68 Technical Analysis & Specification Breakdown
Positioned in BMW's sport motorcycle lineup, the 1953 BMW R68 utilizes a 594 cc (36.3 cu in) air-cooled two cylinder boxer, four-stroke layout. In factory specification, peak output is rated at 35.9 HP (26.2 kW) at 7,000 rpm, transferring power to the rear wheel through a 4-speed gearbox and shaft drive (cardan) final drive. With a specific output of 60.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the R68 measures 202 kg (445 lbs) wet (curb), translating to a power-to-weight ratio of 0.18 HP/kg (5.63 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,400 mm (55.1 in) wheelbase engineered for quick, flickable steering geometry. The 17-liter (4.5 US gal) fuel tank paired with a rated consumption of 4.6 L/100 km provides an estimated theoretical range of roughly 370 km (230 miles) between fill-ups.
Within MotoLibrary's BMW archive, this model family spans 3 indexed model years from 1952 to 1954, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
60.4 HP/L
Power-to-Weight
0.18 HP/kg (5.63 kg/HP)
Theoretical Range
~370 km (230 mi)
Engine
Displacement594.0 ccm (36.25 cubic inches)
Engine TypeTwo cylinder boxer, four-stroke
Engine DetailsTwo cylinder boxer, four-stroke
Power35.9 HP (26.2 kW)) @ 7000 RPM
Compression8.1:1
Bore x Stroke72.0 x 73.0 mm (2.8 x 2.9 inches)
Fuel SystemCarburettor. Bing 26mm
Fuel ControlOverhead Valves (OHV)
IgnitionMagneto
LubricationForced feed
CoolingAir
Transmission
Gearbox4-speed
Final DriveShaft drive (cardan) (final drive)
ClutchSingle plate-saucer spring-dry
Performance
Fuel Consumption4.60 litres/100 km (21.7 km/l or 51.13 mpg)
Greenhouse Gases106.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel-doble cradle
Front SuspensionCartridge
Rear SuspensionTwin shock-Plunger
Wheelbase1400 mm (55.1 inches)
Wheels & Brakes
Rear Tyre3.5-19
Front BrakesExpanding brake (drum brake). Duplex full hub
Front Brake Ø200 mm (7.9 inches)
Rear BrakesExpanding brake (drum brake). Simplex full hub
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.