Triumph Bonneville T120 For Sale

The 1959-1974 Triumph T120 is a retro naked style bike and is powered by a 649cc parallel twin engine which puts out 46bhp.

Triumph Bonneville T120

What Is It?

  • Small, fast, an icon
  • No indicators or low fuel light

The T120 is powered by a 649cc air cooled parallel twin engine, producing 46bhp. It was based on the Triumph Tiger 110 and took the Bonneville name from the speed records held on the Bonneville Salt Flats in Uta.

Specs:

  • Tubular twin cradle frame
  • 4 gears
  • Bore 71mm
  • Stroke 82mm
  • Compression 8.5:1

Stopping power is provided by an 8" drum brake at the front and 7" at the back. Handy when it was one of the fast bikes on the road in 1959. Maximum power is achieved at 6,500rpm.

The 120 in the name actually stand for the bikes top speed.

Changes:

  • 1963: Stiffer frame to reduce high speed wobbles
  • 1968: New ignition system
  • 1971: New frame which holds the engine oil
  • 1972: Five speed gearbox

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Price Guide

Year Dealer Private Part Ex Mileage
1959 £16,000 £12,800 £11,200 1,100
1960 £15,300 £12,250 £10,700 1,100
1961 £14,600 £11,700 £10,200 1,100
1962 £13,900 £11,100 £9,750 1,100
1963 £13,200 £10,550 £9,250 1,100
1964 £12,500 £10,000 £8,750 1,100
1965 £11,800 £9,450 £8,250 1,100
1966 £11,100 £8,900 £7,800 1,600
1967 £10,400 £8,350 £7,300 3,700
1968 £9,700 £7,800 £6,800 5,800
1969 £9,000 £7,200 £6,300 7,800
1970 £8,300 £6,650 £5,850 9,700
1971 £7,600 £6,100 £5,350 11,500
1972 £6,950 £5,550 £4,850 13,200
1973 £6,250 £5,000 £4,350 14,900
1974 £5,550 £4,450 £3,900 16,400

Year shows signs of appreciation

Finance this bike

Example monthly finance costs

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Cleaning & Detailing

We thoroughly recommend Petrolhead Detailing for all your cleaning, detailing and paint correction needs. They really know their stuff!

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Videos

Here's a quick video of a 1969 example ticking over: