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Norton commando 850 John Player Special (1974) technical specifications

Norton commando 850 John Player Special 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

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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

Riders reviews(1)

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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