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Dunstall Motorcycles
1969 Dunstall Triumph 750

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1969 Dunstall Triumph 750

Brief Specification

  • Triumph T.120 Engine
  • Aluminium cylinder barrel conversion
  • Capacity 744cc
  • Enlarged, reshaped and polished ports
  • Bronze, "Hi-Dural", valve guides.
  • Special dual rate valve springs
  • Finned induction manifolds
  • Low expansion 9 to 1 compression pistons
  • Lucas ignition system
  • Paired Amal 930 carburettors
  • N.G.K. plugs

Cycle Parts

  • Triumph T.120 frame, stove enamelled black
  • Twin 9" hydrualic disc front brake
  • Balanced exhuast system
  • Dunstall "Decibel" silencers (black or chrome)
  • Rear mounted footrest and controls
  • 4 gallon fuel tank (choice of colours)
  • Dunstall dual-seat incorporating mudguard, toolbox and number plate (choice of colours)
  • Glass-fibre front mudguard (choice of colours)
  • Clip-on handlebars
  • Alloy fork top yoke
  • Alloy levers
  • Polished alloy wheel rims
  • Avon G.P. rear tyre
  • Dunstall G.T. fairing (choice of colours)
  • Chromium plated chainguard, oil tank and battery cover
  • Alternative model available with twin leading shoe front brake in place of disc.
  • The following choice of colours are available on glass fibre components:- red, yellow, blue, racing green, silver or white

Gearbox

Triumph B77EC
Gearbox
Alternative
ratios
Gear Ratio Speed Gear Ratio Speed
Top 4.46 128 mph Top 4.88 115 mph
Third 5.31 106 mph Third 5.82 93 mph
Second 7.55 76 mph Second 8.25 67 mph
First 10.9 50 mph First 11.98 46 mph

www.woodgate.org/dunstall/69tri.html / Webmaster / Revised 24th February 2000