AJS Model 20500
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| Manufacturer | AJS |
|---|---|
| Also called | Model 20500, Model 20 500 |
| Production | 1948 - 61 |
| Engine | Four stroke, parallel twin cylinder, OHV. 2 valve per cylinder, Crankshaft: 3-saved plain bearing / roller bearing |
| Compression ratio | 7.3:1 |
| Top speed | 150 km/h / 93 mph |
| Ignition type | Lucas magneto, K2F |
| Sparkplug | KLG FE80, 14 mm thread |
| Transmission | 4 Speed |
| Frame type | Single cradle |
| Suspension | Front: Hydraulic telescopic fork Rear: Dual chocks |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 3.25 -18 |
| Rear Tire | 3.25 -18 |
| Fuel capacity | 17 L / 4.5 US gal |
| Oil capacity | 2.5 L / 5.3 US pt |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
It could reach a top speed of 150 km/h / 93 mph.
Engine
The engine was a Air cooled cooled Four stroke, parallel twin cylinder, OHV. 2 valve per cylinder, Crankshaft: 3-saved plain bearing / roller bearing. The engine featured a 7.3:1 compression ratio.
Drive
Power was moderated via the Multi Plate (dry, Burman).
Chassis
It came with a 3.25 -18 front tire and a 3.25 -18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Hydraulic telescopic fork while the rear was equipped with a Dual chocks. The Model 20500 was fitted with a 17 L / 4.5 US gal fuel tank.
Photos
Overview
AJS Model 20 500
| Make Model. | AJS Model 20 500 |
|---|---|
| Year | 1948 - 61 |
| Engine Type | Four stroke, parallel twin cylinder, OHV. 2 valve per cylinder, Crankshaft: 3-saved plain bearing / roller bearing |
| Displacement | 498 cc / 30.4 cu in |
| Bore X Stroke | 66 x 72.8 mm |
| Compression | 7.3:1 |
| Cooling System | Air cooled |
| Oil Capacity | 2.5 L / 5.3 US pt |
| Induction | Carburetor |
| Ignition | Lucas magneto, K2F |
| Spark Plug | KLG FE80, 14 mm thread |
| Starting | Kick |
| Clutch | Multi Plate (dry, Burman) |
| Max Power | 21.6 kW / 29 hp |
| Transmission | 4 Speed |
| Final Drive | Chain |
| Frame | Single cradle |
| Front Suspension | Hydraulic telescopic fork |
| Rear Suspension | Dual chocks |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Front Tire | 3.25 -18 |
| Rear Tire | 3.25 -18 |
| Weight | 178 kg / 392 lbs |
| Fuel Capacity | 17 L / 4.5 US gal |
| Top Speed | 150 km/h / 93 mph |