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The 1947 Norton International and 1952 Norton ES2 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 1952 Norton ES2 by contrast offered 490cc of OHV single power, delivering 22hp at 5000rpm. Tipping the scales at 170.0kg (375 lbs) with a top speed of 125km/h (78 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 1952 Norton ES2 by contrast offered 490cc of OHV single power, delivering 22hp at 5000rpm. Tipping the scales at 170.0kg (375 lbs) with a top speed of 125km/h (78 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 | 1952 Norton ES2 | |
|---|---|---|
| Displacement | 490 cc | 490 cc |
| Power | 29 hp | 22 hp |
| Torque | 35.0 Nm | 30.0 Nm |
| Cylinders | 1 | 1 |
| Top Speed | 145 km/h | 125 km/h |
| Quarter Mile | — | — |
| Dry Weight | 155.0 kg | 170.0 kg |
| Wet Weight | 168.0 kg | 182.0 kg |
| Seat Height | 780 mm | 780 mm |
| Wheelbase | 1370 mm | 1380 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 1952 Norton ES2 pushed output to 22hp. From a collector's perspective, the 1947 Norton International holds the edge with a 8/10 rating. Either way, both are worthy additions to any Norton collection. Parts availability is difficult for the 1947 Norton International and moderate for the 1952 Norton ES2 — 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 1952 Norton ES2
A standard motorcycle from 1952, the 1952 Norton ES2 delivers 22hp from its 490cc OHV single engine.
Full 1952 Norton ES2 Profile →