Sport · 1925
6PS
MotoLibrary Score
45 /100 Balanced
Top Speed
90 km/h
Engine
743 ccm
Technical Overview
1925 NSU 6PS Technical Analysis & Specification Breakdown
Engineered by NSU for the sport motorcycle segment, the 1925 NSU 6PS pairs a 743 cc (45.3 cu in) air-cooled twin, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 72.5 x 90.0 mm (2.9 x 3.5 inches).
On the scales, the 6PS measures 155 kg (342 lbs) dry. Rider ergonomics and chassis geometry center around a 1,455 mm (57.3 in) wheelbase engineered for balanced agility and highway composure.
Within MotoLibrary's NSU archive, this model family spans 4 indexed model years from 1924 to 1927, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 743.0 ccm (45.34 cubic inches)
Engine Type Twin, four-stroke
Bore x Stroke 72.5 x 90.0 mm (2.9 x 3.5 inches)
Fuel System Carburettor. Pallas
Ignition Magneto
Cooling Air
Performance
Top Speed 90.0 km/h (55.9 mph)
Chassis
Frame Type Steel
Wheelbase 1455 mm (57.3 inches)
Wheels & Brakes
Front Tyre 3-26
Rear Tyre 3-26
Wheels Spoked
Dimensions & Weight
Dry Weight 155.0 kg (341.7 pounds)
Overall Height 720 mm (28.3 inches)
Overall Length 2240 mm (88.2 inches)
Overall Width 880 mm (34.6 inches)
Other
Starter Kick
More from NSU
Rider Profile
Who Is This Bike For?
🏁
Best For
Sport & Track
⚖️
Handling
Manageable weight for most riders
Estimate
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