Norton Commando 750 Fastback (1970-72) vs KTM 690 SMC R (2019) vs KTM 300 EXC Enduro (2003-04) vs KTM 690 SMC (2008-09)
Comparison technical specifications
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| Make: | Norton | KTM | KTM | KTM |
| Model: | Commando 750 Fastback | 690 SMC R | 300 EXC Enduro | 690 SMC |
| Years: | 1970-72 | 2019 | 2003-04 | 2008-09 |
| Engine: | Four stroke, parallel twin cylinder, push rod, 2 valves per cylinder. | Single cylinder, 4-stroke, SOHC, 4-valve | Two stroke, single cylinder | Four stroke, single Cylinder. SOHC, 4 Valve |
| Capacity: | 745 cc / 45.5 cu in | 690 cc / 42.1 cu in | 293 cc / 17.9 cu in | 653.7 cc / 39.8 cu-in |
| Bore x Stroke: | 73 x 89 mm | 105 x 80 mm | 71.1 x 71.1 mm | 102 x 80 mm |
| Compression Ratio: | 9.0:1 | 12.7:1 | 11.0:1 | 11.7:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid Cooled |
| Induction: | 2 x Ø30mm Amal concentric carburetors | Keihin EFI (throttle body 50 mm) | Keihin PWK36 S AG carburetor | Generation Keihin EMS with EPT (Electric Power Throttle) |
| Ignition: | 12V, alternator | Keihin EMS with RBW, double ignition | Kokusan digital 2K-3 | Kokusan DC-CDI |
| Starting: | Electric and kick | Electric | Kick | Electric |
| Transmission: | 4 Speed | 6-Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain, X-Ring 5/8 × 1/4 in | Chain, Regina O-ring | Chain X-ring chain 5/8 x 1/4" |
| Front Suspension: | Telescopic forks | WP USD XPLOR 48 forks | WP 48 mm upside down fork and shock | WP 48mm Upside-down forks |
| Rear Suspension: | Dual shocks, 5-way adjustable | WP shock absorber with Pro-Lever linkage | Fully adjustable WP-PDS mono-shock | WP monoshock |
| Front Brakes: | Single 203 mm Drum, twin leading shoe | Single 320mm disc, Brembo 4 piston floating caliper | Single260 mm disc, 2 piston caliper | Single 320mm disc |
| Rear Brakes: | Single 178 mm Drum, twin leading shoe | Single 240 mm disc, Brembo single piston floating caliper | Single 220 mm disc, 1 piston caliper | Single 240mm disc |
| Front Tyre: | 4.10-19 | 120/70 ZR 17 | 90/90 - 21, Michelin MP11 | 120/70 -ZR17 |
| Rear Tyre: | 4.10-19 | 160/60 ZR 17 | 140/80 - 18 | 160/60 -ZR17 |
| Wheelbase: | 1441 mm / 56.75 in | 1470 mm / 57.8 in | 1476 mm / 58.1 in | 1480 ± 15 mm / 58.27 ± 0.59 in |
| Seat Height: | 863.6 mm / 34 in | 890 mm / 35.0 in | 945 mm / 37.2 in | 900 mm / 35.4 in |
| Dry Weight: | 190 kg / 420 lbs | 147 kg / 324 lbs | 103 kg / 227 lbs | 139.5 kg / 305.4 lbs |
| Fuel Capacity: | 10 Litres / 2.6 US gal | 13.5 Litres / 3.5 US gal | 8.5 L / 2.2 US gal / 1.9 Imp gal | 12 Litres / 3.1 gal |