Norton Commando 750 Interstate (1972) vs Norton Commando 961 SF (2015) vs Norton Commando 850 (1974) vs Piaggio Fly 50 (2007)
Comparison technical specifications
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| Make: | Norton | Norton | Norton | Piaggio |
| Model: | Commando 750 Interstate | Commando 961 SF | Commando 850 | Fly 50 |
| Years: | 1972 | 2015 | 1974 | 2007 |
| Engine: | Four stroke, parallel twin cylinder, push rod, OHV, 2 valves per cylinder. | Four stroke, parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 745 cc / 45.5 cu in | 961 cc / 58.6 cu in | 829 cc / 50.6 cu in | 49 cc / 3.0 cub in. |
| Bore x Stroke: | 73 x 89 mm | 88 x 79 mm | 77 x 89 mm | 40 mm x 39.3 mm |
| Compression Ratio: | 9.4:1 | 10.1:1 | 8.5:1 | 10.3:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Forced air |
| Ignition: | 12V, alternator | Crank fired electronic | Lucas alternator | Electronic |
| Starting: | Electric and kick | Electric | Kick | kick |
| Max Power: | 65 hp / 47 kW @ 6500 rpm | 59.7 kW / 80 hp @ 6500 rpm | 60 hp / 44.7 kW @ 6200 rpm | 3.8 kW / 5.1 hp |
| Transmission: | 4 Speed | 5 Speed, constant mesh | 4 Speed | CVT, twist and go |
| Front Suspension: | Telescopic forks | Ø43 mm Öhlins USD, adjustable preload, compression, and rebound damping. | Telescopic fork | Hydraulic telescopic fork |
| Rear Suspension: | Dual shocks, 5-way adjustable | Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping. | Dual shocks | Single hydraulic shock absorber |
| Front Brakes: | Single disc | Brembo 2 x Ø320 mm fully-floating high carbon stainless steel discs, 4 piston "Gold Line" Brembo radially mounted calipers. Brembo "Gold Line" front brake master cylinder with integral reservoir | Single disc | 200 mm disc with dual piston caliper |
| Rear Brakes: | Single178 mm Drum, twin leading shoe | Brembo single Ø220 mm disc, 2 piston "Gold Line" caliper. Brembo rear brake master cylinder | Drum | 140 mm drum |
| Front Tyre: | 4.10-19 | 120/70 -17 | 4.10-19 | 120/70 - 12 in. |
| Rear Tyre: | 4.10-19 | 180/55 -17 | 4.10-19 | 120/70 - 12 in. |
| Dry Weight: | 203 kg / 448 lbs | 188 kg / 415 lbs | 188 kg / 414 lbs | 100 kg / 220 lbs |
| Fuel Capacity: | 25 Litres / 6.6 US gal | 17 Litres / 4.5 US gal | 19 Litres / 5.0 US gal | 7.2 L / 1.9 US gal |