Triumph Bonneville T140 Motorbikes For Sale

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Triumph Bonneville T140
Show all 3 images
Current Prices: £6,450–£5,050
Insurance Costs: 5 of 10

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.

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)

Fuel Consumption / Gas Mileage: 32 mpg, 8.8 l/100km, 11.3 km/l (poor)

Range: 80 miles, 129 km (low)

Fuel Capacity: 12.0 litres, 3.2 US gallons (average)

Seat Height: 787 mm, 31.0 inches (low)

Wet Weight: 198 kg, 437 pounds (average)

Dry Weight: 189 kg, 417 pounds

Power to Weight: 0.247 bhp/kg, 0.185 kW/kg

Road Tax (VED): £96 / Year (very high)

Road tax and VED guide

Model History & Updates

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

Categories

More info and specs

For Sale (9)

  • 1979 TRIUMPH BONNEVILLE T140. MATCHING NUMBERS. NICE CLASSIC. DELIVERY AVAILABLE
    £5,995 ebay
    • £400 Under Guide Price
    • 1979
    • Bridgwater(Map)
    • TRIUMPH BONNEVILLE T140. MATCHING NUMBERS. NICE CLASSIC. DELIVERY AVAILABLE
  • 1979 TRIUMPH BONNEVILLE T140E UK SPEC. MATCHING NOs STUNNING!++++RESERVED++++
    £6,995 ebay
    • £600 Over Guide Price
    • 1979
    • Bridgwater(Map)
    • TRIUMPH BONNEVILLE T140E UK SPEC. MATCHING NOs STUNNING!++++RESERVED++++
  • 1978  TRIUMPH BONNEVILLE 750 T140 SILVER JUBILEE. A LOVELY ORIGINAL EXAMPLE.
    £6,999 ebay
    • £650 Over Guide Price
    • 1978
    • Wimborne(Map)
    • TRIUMPH BONNEVILLE 750 T140 SILVER JUBILEE. A LOVELY ORIGINAL EXAMPLE.
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Price Guide

Year
Dealer
Private
Part Ex
Mileage
1985
£6,450
£5,200
£4,550
24,400
1984
£6,450
£5,150
£4,500
23,900
1983
£6,450
£5,150
£4,500
23,400
1982
£6,400
£5,150
£4,500
22,900
1981
£6,400
£5,150
£4,500
22,400
1980
£6,400
£5,100
£4,500
21,800
1979
£6,400
£5,100
£4,450
21,200
1978
£6,350
£5,100
£4,450
20,600
1977
£6,350
£5,100
£4,450
20,000
1976
£6,350
£5,050
£4,450
19,400
1975
£6,300
£5,050
£4,450
18,800

Year shows signs of appreciation

Dealer: The typical price paid at a dealer after haggling.
Private: The typical private sale value of a bike in good condition.
Part Ex: The typical price offered by a bike buying service or dealer in part exchange.
Regional variations have been averaged out and we work out the price guide in-house.

Gear

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