Norton 500 Model 18 (1947- 54)
The Norton 500 Model 18 and ES2 were motorcycles produced between 1947 and 1954. They had a single cylinder, 4-stroke, side valve engine with a capacity of 490cc and a compression ratio of 6.45:1. The engine was cooled by air and had an Amal Monobloc 276 fuel system and Magneto ignition with kick start. The exhaust system was made by Armours and included a silencer. The maximum power output of the bike was 15.4 kW or 21 hp. The front of the bike had a “Roadholder” fork suspension, while the rear suspension was rigid with a spring-loaded saddle. The ES2 model had a plunger rear suspension. The dry weight of the bike was 169.6 kg or 374 lb and it could reach a top speed of 126 km/h or 78 mph.
Technical specifications:
Make Model: Norton 500 Model 18 and ES2
Year: 1947 – 54
Engine: Single cylinder, 4 stroke, side valve
Capacity: 490 cc / 29.9 cub in.
Bore x Stroke: 79 x 100 mm
Compression Ratio: 6.45:1
Cooling System: Air cooled
Fuel System: Amal Monobloc 276
Ignition: Magneto
Starting: Kick
Exhaust: Armours exhaust and silencer
Max Power: 15.4 kW / 21 hp
Front Suspension: “Roadholder” fork
Rear Suspension: Rigid, spring loaded saddle ES2: Plunger
Dry-Weight: 169.6 kg / 374 lb
Top Speed: 126 km/h / 78 mph
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