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Norton Commando Interpol 2

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Make Model

Norton Commando Interpol 2

Year

1984 - 1989

Engine

Air cooled. twin chamber. rotary

Capacity

588 cc / 35.9 cu in
Compression Ratio 8.8:1

Starting

Electric

Transmission

5 Speed 

Final Drive

Chain

Front Suspension

ě38 mm Telescopic forks

Front Wheel Travel

130 mm / 5.1 in

Rear Suspension

Twin Girling gas units, 3-way adjustable for preload.

Front Brakes

2 x ě265 mm discs

Rear Brakes

Single ě265 mm disc

Front Tyre

100/90-18

Rear Tyre

110/80-18

Dry-Weight

235 kg / 518 lbs

Fuel Capacity 

23 L / 6.1 US gal
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The Interpol 2 is a Norton motorcycle produced from 1984 to 1989. It has an air-cooled twin rotor 588 cc (35.9 cu in) Wankel engine.

Its model name refers to the Norton Interpol, a 1970s police version of the Norton Commando. However, the Interpol was a piston-engined model and is mechanically unrelated to the Interpol 2.
Towards the end of the production run one machine was built for development purposes with a new water-cooled version of Norton's twin-rotor Wankel engine. This machine was designated Interpol 2A. When production of the Interpol 2 ceased it was succeeded by the P52 version of the Norton Commander.

Norton did not sell the Interpol 2 to the general public. Sales were restricted to fleet customers: civilian police forces, military police forces (particularly the Royal Air Force Police), and the RAC.

To get back into the Police and military market, Norton recruited Neale Shilton, Triumphs Police sales manager, who developed a Police bike against the often considerable resistance and envy of other members of the Norton management- I recommend reading Shiltons book "A Million Miles ago".

The minimum outlay for tooling meant that the fairing was bought in from Avon Fairings. Police safety regulations demanded the petrol tanks had to be made from metal, not glass fibre; as all Norton Commando tanks at the time were made from glass fibre, Shilton used up steel pressings for slimline featherbed petrol tanks, equipping them with a bottom that fitted the Commando frame. The speedo had to be accurate, so a "non-pair" of Chronometric speedo and magnetic rev counter were used. Some petrol tanks had a boxed-in section on top for the radio equipment of the day; most were fitted with the (terrible) "fits all but nothing rightly" Craven carriers and panniers, employing 16 half clamps, 30 distance pieces, 6 stays, and general shoddyness as a main design feature.