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The 1947 Norton International and 1962 Norton Manx 30M represent two chapters in Norton's storied history.
The 1947 Norton International from United Kingdom was powered by a 490cc OHV single producing 29hp at 6000rpm. Weighing 155.0kg (342 lbs) and with a seat height of 780mm, it was aimed at racing riders.
The 1962 Norton Manx 30M by contrast offered 499cc of DOHC single power, delivering 54hp at 7200rpm. Tipping the scales at 136.0kg (300 lbs) with a top speed of 220km/h (137 mph), it offered a distinct riding experience. 1940s motorcycles, especially military-era models, hold strong collector interest with values reflecting their historical significance.
The 1947 Norton International from United Kingdom was powered by a 490cc OHV single producing 29hp at 6000rpm. Weighing 155.0kg (342 lbs) and with a seat height of 780mm, it was aimed at racing riders.
The 1962 Norton Manx 30M by contrast offered 499cc of DOHC single power, delivering 54hp at 7200rpm. Tipping the scales at 136.0kg (300 lbs) with a top speed of 220km/h (137 mph), it offered a distinct riding experience. 1940s motorcycles, especially military-era models, hold strong collector interest with values reflecting their historical significance.
Specifications Comparison
| 1947 Norton International | 1962 Norton Manx 30M | |
|---|---|---|
| Displacement | 490 cc | 499 cc |
| Power | 29 hp | 54 hp |
| Torque | 35.0 Nm | 46.0 Nm |
| Cylinders | 1 | 1 |
| Top Speed | 145 km/h | 220 km/h |
| Quarter Mile | — | — |
| Dry Weight | 155.0 kg | 136.0 kg |
| Wet Weight | 168.0 kg | 146.0 kg |
| Seat Height | 780 mm | 760 mm |
| Wheelbase | 1370 mm | 1370 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
Comparing these two Norton machines reveals the brand's evolution. The 1947 Norton International laid the groundwork with 29hp, while the later 1962 Norton Manx 30M pushed output to 54hp. From a collector's perspective, the 1962 Norton Manx 30M holds the edge with a 10/10 rating. Either way, both are worthy additions to any Norton collection. Parts availability is difficult for the 1947 Norton International and very difficult for the 1962 Norton Manx 30M — an important factor for any restoration project.
About the 1947 Norton International
The 1947 1947 Norton International packs a 490cc OHV single engine with 29hp into a racing machine package from Norton.
Full 1947 Norton International Profile →About the 1962 Norton Manx 30M
A racing machine from 1962, the 1962 Norton Manx 30M delivers 54hp from its 499cc DOHC single engine.
Full 1962 Norton Manx 30M Profile →