Triumph Bonneville T140 For Sale

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Triumph Bonneville T140
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Current Prices: £6,750–£4,050
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)

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

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

Road Tax (VED): £96 / Year (Very High)

Road tax and VED guide

Review In A Few

What's Good?

  • Parts availability
  • Handling
  • Brakes

Any Downsides?

  • Some vibration
  • Oil leaks

Updates

1975: 254 mm rear disc brake.

1979: Electric starter.

1982: Dual 254 mm front disc brakes.

Categories

More info and specs

Bikes For Sale (6)

  • 1980 TRIUMPH BONNEVILLE T140E. MATCHING NUMBERS. NICE CLASSIC DELIVERY AVAILABLE
    £6,495 ebay
    • £440 Over Guide Price
    • 1980
    • Bridgwater(Map)
    • TRIUMPH BONNEVILLE T140E. MATCHING NUMBERS. NICE CLASSIC DELIVERY AVAILABLE
  • 1978(S)Triumph bonneville T140 750 Silver Jubilee.1 of 1000 ltd edt.Only 2400Mls
    £9,995 ebay
    • 1978 (2,400 miles)
    • Northwich(Map)
    • (S)Triumph bonneville T140 750 Silver Jubilee.1 of 1000 ltd edt.Only 2400Mls
  • Triumph Bonneville T140E 1978 *Matching Numbers*
    £5,999 ebay
    • Guide Price Match
    • 1978
    • Chesterfield(Map)
    • Triumph Bonneville T140E *Matching Numbers*
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Sell Your Bike

Simply pop in the reg number to get a same day valuation from We Want Your Motorbike:

Price Guide

Year
Dealer
Private
Part Ex
Mileage
1985
£5,050
£4,050
£3,550
26,600
1984
£5,700
£4,600
£4,000
26,200
1983
£6,150
£4,950
£4,350
25,800
1982
£6,400
£5,100
£4,500
25,400
1981
£6,200
£4,950
£4,350
25,000
1980
£6,050
£4,850
£4,250
24,500
1979
£5,950
£4,800
£4,200
24,000
1978
£6,000
£4,800
£4,200
23,400
1977
£6,150
£4,900
£4,300
22,800
1976
£6,400
£5,100
£4,500
22,200
1975
£6,750
£5,400
£4,750
21,600

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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