Norton commando 850 John Player Special (1974) technical specifications
Norton commando 850 John Player Special is produced in 1974. Engine is Four stroke, parallel twin cylinder, push rod 2 valves per cylinder., displacement 829 cc / 50.6 cu in , produces power 60 hp / 44.7 kW @ 6200 rpm. Norton commando 850 John Player Special weighs 188 kg / 414 lbs. Norton commando 850 John Player Special has 5 photos.
Technical specifications
+ Add to 'Compare list'| Model: | commando 850 John Player Special |
| Years: | 1974 |
| Engine: | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. |
| Capacity: | 829 cc / 50.6 cu in |
| Bore x Stroke: | 77 x 89 mm |
| Cooling System: | Air cooled |
| Compression Ratio: | 8.5:1 |
| Induction: | 2 x Ø32 mm Amal carburetors |
| Starting: | Kick |
| Max Power: | 60 hp / 44.7 kW @ 6200 rpm |
| Transmission: | 4 Speed |
| Final Drive: | Chain |
| Frame: | Twin downtube cradle with Isolastic engine mounts |
| Front Suspension: | Telescopic forks |
| Rear Suspension: | Dual shocks |
| Front Brakes: | Single disc |
| Rear Brakes: | Drum |
| Front Tyre: | 3.50 H18 |
| Rear Tyre: | 4.10 V18 |
| Wheelbase: | 1440 mm / 56.7 in |
| Dry-Weight: | 188 kg / 414 lbs |
| Fuel Capacity: | 12 Litres / 3.2 US gal |
Ian Sutherland
2023.02.14 02:56
Appearance
5
Comfort
3
Performance
4
Durability
4
Maintcost
4
I personally Biult this Bike. It has a rebalanced and lightened crank, 4s cam, ported head with larger inlet valves and Downdraft 36mm Daul carbs, Pannier fuel tanks are hidden in the fairing and a Modified Frame similar to the Peter Williams designed frame form the Base, and a modified isolastics are also fitted. 38mm forks and 18 inch did GPZ wHeels
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