Built around Ardie's allround motorcycle platform, the 1937 Ardie RBU 350 features a 343 cc (20.9 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 10 HP (7.3 kW) at 4,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 29.2 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the RBU 350 measures 135 kg (298 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (13.5 kg per horsepower).
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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
