Dunstall Motorcycles
1969 Dunstall Norton Commando

Brief Specification

• Norton 750 Engine
• Bore 73mm, Stroke 89mm
• Capacity 745cc
• Hand finished and polished ports
• Lightened and polished rockers
• Special "H 18 S" material valves
• Bronze "Hi-Dural 5" valve guides
• Special dual rate valve springs
• Finned induction manifolds
• 10 to 1 compression, spun cast pistons
• Lucas Capacitor ignition system
• Lightened camfollowers
• Street high lift camshaft
• Paired Amal 932/901 type concentric carburettors
• Flexible forced oil feed to rockers
• Champion N6Y wide heat range plugs
• Output 66 b.h.p at 7,000 rpm

Cycle Parts

• Norton Commando frame, stove enamelled black
• "Road-holder" forks fitted with external springs and gaiters
• Twin 9" hydraulic disc brake.
• G.T. fairing (choice of colours)
• Balanced exhaust system
• "Decibel" silencers
• Rear mounted footrests and controls
• 4 gallon capacity fuel tank (choice of colour)
• Dunstal dual-seat incorporating mudguard, toolbox and number plate (choice of colours)
• Glass-fibre front mudguard (choice of colour)
• Clip-on handlebars with alloy control levers
• Alloy fork top yoke
• Polished alloy wheel rims
• Avon G.P. rear tyre
• Chromium plated chainguard
• Alternative model available with twin leading shoe brake in place of the twin disk assembly
• The following choice of colours are available:- red, yellow, racing green, silver or blue

Gearbox