Norton Commando 961 Sport (2010) vs KTM 690 Enduro R (2019) vs KTM 250 EXC Enduro (2003-04) vs Norton commando 850 John Player Special (1974)
Comparison technical specifications
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| Make: | Norton | KTM | KTM | Norton |
| Model: | Commando 961 Sport | 690 Enduro R | 250 EXC Enduro | commando 850 John Player Special |
| Years: | 2010 | 2019 | 2003-04 | 1974 |
| Engine: | Parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder | Single cylinder, 4-stroke, SOHC, 4-valve | Two stroke, single cylinder | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. |
| Capacity: | 961 cc / 58.6 cu in | 690 cc / 42.1 cu in | 249 cc / 15.2 cu in | 829 cc / 50.6 cu in |
| Bore x Stroke: | 88 x 79 mm | 105 x 80 mm | 66.4 x 72.0 mm | 77 x 89 mm |
| Compression Ratio: | 10.1:1 | 12.7:1 | 11.0:1 | 8.5:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | Fuel injected | Keihin EFI (throttle body 50 mm) | Keihin PWK 36 S AG Carburettor | 2 x Ø32 mm Amal carburetors |
| Starting: | Electric | Electric | Kick | Kick |
| Transmission: | 5 Speed, constant mesh | 6-Speed | 5 Speed | 4 Speed |
| Final Drive: | Chain, 525 "O" ring | Chain, 16:40 | Chain, 5/8 x 1/4 in | Chain |
| Frame: | Tubular steel with integral oil tank | Chromium-molybdenum-steel trellis frame, powder coated | Chromium molybdenum | Twin downtube cradle with Isolastic engine mounts |
| Front Suspension: | Ø43 mm Öhlins RSU, adjustable preload, compression, and rebound damping. | WP USD XPLOR 48 forks | WP Extreme Ø 50 mm upsidedown fork | Telescopic forks |
| Rear Suspension: | Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping. | WP shock absorber with Pro-Lever linkage | WP Progressive Damping System shock absorber, aluminium swingarm | Dual shocks |
| Front Brakes: | Brembo 2 x Ø320 mm semi-floating carbon stainless steel discs, 4 piston "Gold Line" axial calipers | Single 300 mm disc, Brembo 2 piston floating caliper | Single 260 mm disc, floating caliper | Single disc |
| Rear Brakes: | Brembo single Ø220 mm disc, 2 piston "Gold Line"caliper | Single 240 mm disc, Brembo single piston floating caliper | Single 220 mm disc, floating caliper | Drum |
| Front Tyre: | 120/70 -17 | 90/90 -21 | 90/90 - 21 54R | 3.50 H18 |
| Rear Tyre: | 180/55 -17 | 140/80 -18 | 140/80 - 18 70R | 4.10 V18 |
| Wheelbase: | 1420 mm / 55.9 in | 1502 mm / 59.1 in | 1481 mm / 58.3 in | 1440 mm / 56.7 in |
| Dry Weight: | 188 kg / 414 lbs | 146 kg / 321.8 lbs | 102.5 kg / 226 lbs | 188 kg / 414 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 13.5 Litres / 3.5 US gal | 9.5 Litres / 2.5 US gal | 12 Litres / 3.2 US gal |