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← Ural
Classic · 1979

M-63 (with sidecar)

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MotoLibrary Score
37 /100 Commuter
Power/Weight
0.06 hp/kg
Engine
650 ccm

1979 Ural M-63 (with sidecar) Technical Analysis & Specification Breakdown

Built around Ural's classic motorcycle platform, the 1979 Ural M-63 (with sidecar) pairs a 650 cc (39.7 cu in) air-cooled two cylinder boxer, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 20.6 HP (15 kW) at 5,200 rpm, transferring power to the rear wheel through shaft drive (cardan) final drive. With a specific output of 31.7 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 M-63 (with sidecar) measures 320 kg (705 lbs) dry, translating to a power-to-weight ratio of 0.06 HP/kg (15.53 kg per horsepower).

Within MotoLibrary's Ural archive, this model family spans 11 indexed model years from 1970 to 1980, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
31.7 HP/L
Power-to-Weight
0.06 HP/kg (15.53 kg/HP)
Engine
Displacement 650.0 ccm (39.66 cubic inches)
Engine Type Two cylinder boxer, four-stroke
Engine Details Two cylinder boxer, four-stroke
Power 20.6 HP (15.0 kW)) @ 5200 RPM
Bore x Stroke 78.0 x 68.0 mm (3.1 x 2.7 inches)
Cooling Air
Transmission
Final Drive Shaft drive (cardan) (final drive)
Wheels & Brakes
Front Brakes Expanding brake
Rear Brakes Expanding brake
Dimensions & Weight
Dry Weight 320.0 kg (705.5 pounds)
Power/Weight 0.0644 HP/kg
Notes

Model made by the Ural Irbits factory 1963-80. Weight includes sidecar.

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