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Sport · 1951

Konsul 1

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MotoLibrary Score
39 /100 Commuter
Power/Weight
0.09 hp/kg
Top Speed
110 km/h
Engine
346 ccm

1951 NSU Konsul 1 Technical Analysis & Specification Breakdown

Built around NSU's sport motorcycle platform, the 1951 NSU Konsul 1 features a 346 cc (21.1 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 18 HP (13.1 kW) at 5,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 52 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 Konsul 1 measures 190 kg (419 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (10.56 kg per horsepower). The 15.2-liter (4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 110 km/h (68 mph).

Within MotoLibrary's NSU archive, this model family spans 3 indexed model years from 1951 to 1953, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
52 HP/L
Power-to-Weight
0.09 HP/kg (10.56 kg/HP)
Engine
Displacement 346.0 ccm (21.11 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 18.0 HP (13.1 kW)) @ 5500 RPM
Compression 6.3:1
Bore x Stroke 79.0 x 79.0 mm (3.1 x 3.1 inches)
Fuel System Carburettor
Fuel Control Overhead Valves (OHV)
Cooling Air
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 110.0 km/h (68.4 mph)
Chassis
Front Suspension Telescopic
Rear Suspension Hydraulic
Wheels & Brakes
Front Tyre 3.50-19
Rear Tyre 4-19
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 190.0 kg (418.9 pounds)
Power/Weight 0.0947 HP/kg
Overall Height 1000 mm (39.4 inches)
Overall Length 2185 mm (86.0 inches)
Overall Width 820 mm (32.3 inches)
Fuel Capacity 15.20 litres (4.02 US gallons)
More from NSU
Buying Checklist

Before You Compare This Bike

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.
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.
Rider Profile

Who Is This Bike For?

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Beginner
A2 license compatible, manageable power.
🏁
Best For
Sport & Track
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Handling
Medium weight — some experience needed
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