The BMW R 69 US is a marvel of engineering, a motorcycle that defies categorization as simply a bike. Its engine, a 600-cc unit derived from the Volkswagen design, is a testament to BMW’s innovative spirit, producing a healthy 42 horsepower at 7,000 r.p.m. The clutch and gearbox are equally impressive, with a smooth-shifting transmission that belies its motorcycle heritage.
The riding experience is a revelation, with the R 69 US handling like a car on two wheels. The pivoted swinging-arm rear suspension and oil-damped front forks provide a smooth ride, while the rear drive system is a masterclass in automotive engineering.
From its robust engine to its refined transmission and suspension, the BMW R 69 US is a machine that redefines the boundaries between motorcycle and automobile. It is a testament to BMW’s commitment to innovation and excellence, and a ride in this bike is an experience that will leave you questioning everything you thought you knew about motorcycles.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
594 cc / 36.2 cu in
Max Power
31.3 kw / 42 hp
Fuel Tank Capacity
17 liters /4.4 US gal
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 69 US
Year
1967 – 69
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Displacement
594 cc / 36.2 cu in
Bore x Stroke
72 x 73 mm
Compression Ratio
9.5:1
Max Horsepower
31.3 kw / 42 hp
Engine Management System
2 xBing 1/26/9 – 1/26/10 carburetors
Cooling System
Air cooled
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Single plate, dry
Gearbox
4 Speed
Gear Ratios
1st 4.17 / 2nd 2.73 / 3rd 1.94 / 4th 1.54
Final Drive
Shaft
Electrical & Electronics System
Starter
Electric
Chassis & Suspension
Frame Type
Double loop steel tubular frame
Front Suspension
Telescopic front fork with hydraulic damping
Rear Suspension
Swingarm, plunger type shock absorbers
Wheels & Brakes
Front Tire Size
3.50 – S18″
Rear Tire Size
4.00 – S18″
Front Brakes
∅200mm Drum
Rear Brakes
∅200mm Drum
Dimension & Weights
Fuel Tank Capacity
17 liters /4.4 US gal
Features
7,000 r.p.m. engine speed
42 horsepower output
9.5:1 compression ratio
Double-faced friction disk clutch
Pressure plate on the clutch
Integral engine housing and gearbox
Smooth shifting in every gear
Continuous mesh of spur gears
Rear drive ring-and-pinion setup
Shaft drive and universal joint
Pivoted swinging-arm rear suspension
Oil-damped shocks on rear suspension
Rebound springs on rear suspension
Progressive damping on front suspension
8 inches of fork travel
Oil-damped hydraulic cylinders on front suspension
Rebound springs on front suspension
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*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
