Allround · 1927
490 CS 1
MotoLibrary Score
48 /100 Balanced
Top Speed
129 km/h
Engine
490 ccm
Technical Overview
1927 Norton 490 CS 1 Technical Analysis & Specification Breakdown
Positioned in Norton's allround motorcycle lineup, the 1927 Norton 490 CS 1 relies on a 490 cc (29.9 cu in) single cylinder, four-stroke powerplant.
On the scales, the 490 CS 1 measures 145 kg (320 lbs) dry.
Within MotoLibrary's Norton archive, this model family spans 13 indexed model years from 1927 to 1939, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 490.0 ccm (29.90 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Fuel System Carburettor
Fuel Control Single Overhead Cams (SOHC)
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 128.8 km/h (80.0 mph)
Wheels & Brakes
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 145.0 kg (319.7 pounds)
More from Norton
Rider Profile
Who Is This Bike For?
🌍
Best For
All-Round & Adventure
⚖️
Handling
Manageable weight for most riders
Estimate
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