Norton Commando 850 Roadster MKII (1975) vs Royal Enfield Bear 650 (2025)
Comparison technical specifications
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| Make: | Norton | Royal Enfield |
| Model: | Commando 850 Roadster MKII | Bear 650 |
| Years: | 1975 | 2025 |
| Engine: | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. | Four stroke, Parallel Twin, SOHC |
| Capacity: | 829 cc / 50.6 cu in | 648 cc / 39.5 cu-in |
| Bore x Stroke: | 77 x 89 mm | 78 x 67.8 mm |
| Compression Ratio: | 8.5:1 | 9.5:1 |
| Cooling System: | Air cooled | Air/oil-cooled |
| Induction: | 2 x Ø32 mm Amal concentric carburetors | Electronic Fuel Injection |
| Ignition: | 120W Lucas alternator | Digital electronic ignition |
| Starting: | Electric and kick | Electric |
| Max Power: | 60 hp / 44.7 kW @ 6200 rpm | 46.4 hp / 34.6 kW @ 7150 rpm |
| Clutch: | Metal diaphragm clutch | Wet, multi-plate |
| Transmission: | 4 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain | Chain |
| Frame: | Twin downtube cradle with Isolastic engine mounts | Steel tubular double cradle frame |
| Front Suspension: | Telescopic forks | 43mm USD telescopic fork |
| Rear Suspension: | Swing arm with Girling coil springs | Twin Shocks, preload adjustable |
| Front Brakes: | Single disc | Single 320mm disc |
| Rear Brakes: | Single disc | Single 270mm disc |
| Front Tyre: | 4.10-19 | 100/90 - 19 M/C 57H |
| Rear Tyre: | 4.10-19 | 140/80 - R17 M/C 69H |
| Wet Weight: | 233 kg / 514 lbs | 216 kg / 475 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal | 13.6 Litres / 3.6 US gal |