The AJS Model 14 250, also known as the 250CSR or Scrambler, was produced from 1958 to 1966. It has a single cylinder, 4-stroke, OHV engine with a capacity of 248.5cc and a compression ratio of 7.8:1 (11.5:1 for Scrambler). Cooling is air-cooled and the exhaust is 1-into-1. The bike uses an Amal monobloc carburetor, type 376/250, and is started by kick. It has a 4-speed transmission with chain final drive and a steel frame. The front suspension is a telescopic fork and the rear suspension is a swingarm with dual shocks. The bike has drum brakes (6 in) both front and rear and steel wheels with wire spokes. The wheelbase is 1345mm/53in, ground clearance is 140mm/5.5in, and seat height is 760mm/30in. Its dry weight is 148kg/325lbs and fuel capacity is 18L/4.8 US gal (12.5L/3.3 US gal for Scrambler). The bike was available in sport blue and black.
Technical specifications:
Make Model: AJS Model 14 250 / 250CSR / Scrambler
| Year | 1958 – 66 |
|---|---|
| Engine | Single cylinder, 4-stroke, OHV |
| Capacity | 248.5 cc / 15.2 cu in |
| Bore x Stroke | 69.85 / 64.84 mm |
| Cooling System | Air cooled |
| Compression Ratio | 7.8:1 Scrambler: 11.5:1 |
| Oil Capacity | 1.4 L / 3.0 US pt |
| Exhaust | 1-into-1 |
| Induction | Amal monobloc carburetor, type 376/250 |
| Starting | Kick |
| Transmission | 4-Speed |
| Final Drive | Chain |
| Gear Ratio | 1st 20.12 / 2nd 12.75 / 3rd 8.96 / 4th 6.89:1 Scrambler: 1st 21.62 / 2nd 16.55 / 3rd 11.63 / 4th 8.95:1 |
| Frame | Open tubular steel frame |
| Front Suspension | Telescopic fork |
| Rear Suspension | Swingarm with dual shocks |
| Front Brakes | Drum, 6 in |
| Rear Brakes | Drum, 6 in |
| Wheels | Steel with wire spokes |
| Wheelbase | 1345 mm / 53 in |
| Ground Clearance | 140 mm / 5.5 in |
| Seat Height | 760 mm / 30 in |
| Dry Weight | 148 kg / 325 lbs |
| Fuel Capacity | 18 L / 4.8 US gal Scrambler: 12.5 L / 3.3 US gal |
| Colours | Sport blue, black |
