Velocette GTP (1930-46) vs AJS Model 14 250 / 250CSR / Scrambler (1958-66) vs KTM 1290 Super Duke R (2017)
Comparison technical specifications
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| Make: | Velocette | AJS | KTM |
| Model: | GTP | Model 14 250 / 250CSR / Scrambler | 1290 Super Duke R |
| Years: | 1930-46 | 1958-66 | 2017 |
| Engine: | Two-stroke, Single cylinder | Single cylinder, 4-stroke, OHV | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 249 cc / 15.2 cub in | 248.5 cc / 15.2 cu in | 1301 cc / 79.3 cu-in |
| Bore x Stroke: | 63 x 80 mm | 69.85 / 64.84 mm | 108 x 71 mm |
| Compression Ratio: | 6.5:1 | 7.8:1 Scrambler: 11.5:1 | 13.2:1 |
| Cooling System: | Air cooled | Air cooled | Liquid cooling |
| Starting: | Kick start | Kick | Electric |
| Transmission: | Early models: 3 Speed, hand operated Later models: 4 Speed, foot operated | 4-Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain 520 X-ring |
| Wheelbase: | 1270 mm / 50 in | 1345 mm / 53 in | 1482 mm / 58.3 in |
| Seat height: | 686 mm / 27 in | 760 mm / 30 in | 835 mm / 32.9 in |
| Ground Clearance: | 140 mm / 5.5 in | 140 mm / 5.5 in | 141 mm / 5.5 in |
| Front Suspension: | Webb fork with shock absorber and steering damper | Telescopic fork | WP-USD Ø 48 mm fork |
| Rear Suspension: | None, spring loaded seat | Swingarm with dual shocks | WP-Monoshock |
| Front Brakes: | 6 in. drum, internal expanding | Drum, 6 in | 2 x 320mm Floating discs, Brembo monoblock 4 piston radial fixed calipers |
| Rear Brakes: | 6 in. drum, internal expanding | Drum, 6 in | Single disc, Brembo 2 piston fixed calipers |
| Fuel Capacity: | 6.6 L / 1.75 US gal | 18 L / 4.8 US gal Scrambler: 12.5 L / 3.3 US gal | 18 Litres / 4.8 US gal / 4.0 Imp galUnleaded premium fuel (95 RON) |
| Dry Weight: | 101 kg / 222 lbs (light set included) | 148 kg / 325 lbs | 195 kg / 430 lbs |