BMW F 900GS (2024) vs Norton Commando 750 Fastback (1971)
Comparison technical specifications
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| Make: | BMW | Norton |
| Model: | F 900GS | Commando 750 Fastback |
| Years: | 2024 | 1971 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, push rod, 2 valves per cylinder. |
| Capacity: | 895 cc / 54.6 cu-in | 745 cc / 45.5 cu in |
| Bore x Stroke: | 86 x 77 mm | 73 x 89 mm |
| Compression Ratio: | 13.1:1 | 9.0:1 |
| Cooling System: | Liquid cooled | Air cooled |
| Induction: | Electronic injection | 2 x 30mm Amal concentric carburetors |
| Ignition: | Electronic | 12V, alternator |
| Starting: | Electric | Electric and kick |
| Max Power: | 77 kW / 103 hp @ 8500 rpm | 58 hp / 43 kW @ 6800 rpm |
| Transmission: | Claw-shift 6-speed gearbox integrated in crankcase | 4 Speed |
| Final Drive: | Endless O-ring chain with shock damping in rear wheel hub | Chain |
| Front Suspension: | 43mm Upside-down telescopic fork, rebound and compression damping adjustable | Telescopic forks |
| Rear Suspension: | Aluminium double-sided swinging arm, directly linked WAD central spring strut, spring base and rebound damping adjustable (Optional equipment: sport suspension) (Option: Dynamic ESA) | Dual shocks, 5-way adjustable |
| Front Brakes: | 2 x 305mm floating discs, 2-piston floatingcalipers | Single 203 mm Drum, twin leading shoe |
| Rear Brakes: | Single 265mm discs, single-piston floating caliper | Single 178 mm Drum, twin leading shoe |
| Front Tyre: | 90/90 x 21 | 4.10-19 |
| Rear Tyre: | 150/70 x R17 | 4.10-19 |
| Dimensions: | Length 2270 mm / 89.4in Width 943 mm / 37.1 in (incl. hand protectors) | Length 2220 mm / 87.5 in Width 660 mm / 26 in |
| Wheelbase: | 1590 mm / 62.6 in | 1441 mm / 56.75 in |
| Seat Height: | 870 mm / 34.3 in | 863.6 mm / 34 in |
| Fuel Capacity: | 14.5 Litres / 3.8 US gal | 10 Litres / 2.6 US gal |