Triumph Bonneville T140 For Sale

Triumph Bonneville T140
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5/10
Insurance Costs: 5 of 10
5/10
Current Prices: £6,150–£4,850

What Is It?

The Triumph T140 is a standard naked bike and is powered by an air-cooled 744 cc parallel twin engine, producing 49 bhp at 6,200 rpm. It's starting to look quite investible now.

Features include:

  • Steel tubular frame
  • Disc brake up front
  • Drum brake at the rear
  • Standard fork
  • Dual rear shocks

Compared to the T120 the gearbox is now a five speed design, up from four and power is up 3 bhp from a 95 cc larger engine.

The T140 was produced by Triumph Engineering until bankruptcy in 1983 then by Les Harris / Racing Spares between 1985 and 1988.

1975: 254 mm rear disc brake.

1979: Electric starter.

1982: Dual 254 mm front disc brakes.

Review In A Few

What's Good?

  • Parts availability
  • Handling
  • Brakes

Any Downsides?

  • Some vibration
  • Oil leaks

Specs

Capacity: 744 cc (average)

Power: 49 bhp / 37 kW (average)

Red Line: 7,000 rpm (average)

Top Speed: 110 mph / 177 km/h (high)

Economy: 32 mpg / 8.8 L/100km (poor)

Range: 80 miles / 129 km (low)

Fuel Capacity: 12.0 litres / 2.6 gallons (average)

Seat Height: 787 mm / 31.0 inches (low)

Wet Weight: 198 kg / 437 pounds (average)

Dry Weight: 189 kg / 417 pounds

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Price Guide

Year Dealer Private Part Ex Mileage
1975 £6,100 £4,850 £4,250 17,700
1976 £6,100 £4,850 £4,250 19,200
1977 £6,100 £4,850 £4,250 20,500
1978 £6,100 £4,900 £4,250 21,800
1979 £6,100 £4,900 £4,300 23,000
1980 £6,100 £4,900 £4,300 24,100
1981 £6,100 £4,900 £4,300 25,000
1982 £6,100 £4,900 £4,300 25,900
1983 £6,100 £4,900 £4,300 26,700
1984 £6,150 £4,900 £4,300 27,400
1985 £6,150 £4,900 £4,300 27,900
1986 £6,150 £4,900 £4,300 28,400
1987 £6,150 £4,900 £4,300 28,800
1988 £6,150 £4,950 £4,300 29,100

Year shows signs of appreciation

We work out the price guide in-house.

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