Norton Commando 750 Fastback (1970-72) vs Kawasaki ER-6n (2009) vs Yamaha V-Max (1999-01) vs KTM 350 EXC-F (2022)
Comparison technical specifications
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| Make: | Norton | Kawasaki | Yamaha | KTM |
| Model: | Commando 750 Fastback | ER-6n | V-Max | 350 EXC-F |
| Years: | 1970-72 | 2009 | 1999-01 | 2022 |
| Engine: | Four stroke, parallel twin cylinder, push rod, 2 valves per cylinder. | Four stroke, parallel twin, DOHC, 4 valves per cylinder. | Four stroke, V-four, DOHC, 4 valve per cylinder. | Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder |
| Capacity: | 745 cc / 45.5 cu in | 649 cc / 39.6 cu-in | 1198 cc / 73.1 cu-in | 349.7 cc / 21.3 cu-in |
| Bore x Stroke: | 73 x 89 mm | 83 X 60mm | 76 х 66 mm | 88 x 57.5 mm |
| Compression Ratio: | 9.0:1 | 11.3;1 | 10.5:1 | 12.3:1 |
| Cooling System: | Air cooled | Liquid cooled, | Liquid cooled | Liquid cooled |
| Induction: | 2 x Ø30mm Amal concentric carburetors | 2x 38mm Electronic Fuel Injection Keihin | 4x 35mm Mikuni BDS35 carburetor | Keihin EFI, flow restrictor 42 mm |
| Ignition: | 12V, alternator | Digital TCBI | CDI | Keihin EMS |
| Starting: | Electric and kick | Electric | Electric | Electric |
| Transmission: | 4 Speed | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Shaft | Chain, X-Ring 5/8 x 1/4 |
| Front Suspension: | Telescopic forks | 41 mm telescopic fork, | 40mm Kayaba forks, Air pressure | 48mm WP XPLOR-USD forks |
| Rear Suspension: | Dual shocks, 5-way adjustable | Offset laydown single-shock with adjustable preload, | Dual Kayaba shocks, adjustable for preload damping. | WP Xplor PDS shock absorber |
| Front Brakes: | Single 203 mm Drum, twin leading shoe | 2x 300mm discs 2 piston calipers | 2x 298mm discs 2 piston calipers | Single 260 mm disc, 2 piston caliper |
| Rear Brakes: | Single 178 mm Drum, twin leading shoe | Single 220mm disc 1 piston caliper | Single 282mm disc 2 piston caliper | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 4.10-19 | 120/70ZR17 | 110/90-18 | 90/90 - 21 M/C 54M M+S TT |
| Rear Tyre: | 4.10-19 | 160/60ZR17 | 150/90-15 | 140/80 - 18 M/C 70M M+S TT |
| Wheelbase: | 1441 mm / 56.75 in | 1405 mm / 55.3 in | 1590 mm / 65.6 in | 1482 mm / 58.3 in |
| Seat Height: | 863.6 mm / 34 in | 785 mm / 30.9 in | 765 mm / 30.1 in | 960 mm / 37.7 in |
| Dry Weight: | 190 kg / 420 lbs | 174 kg / 383.6 lbs | 262 kg / 577.6 lbs | 103.8 kg / 228.8 lbs |
| Fuel Capacity: | 10 Litres / 2.6 US gal | 15.5 Litres / 4.1 US gal | 15 Litres / 3.9 US gal | 9 Litres / 2.3 US gal |