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Triumph Bonneville 750 T140D

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Make Model

Triumph Bonneville 750 T140D

Year

1981

Engine

Four stroke, parallel twin, OHV, 2 valves per cylinder

Capacity

744 cc / 45.4 cu in
Bore x Stroke 76 x 82 mm
Compression Ratio 8.6:1
Cooling System Air cooled

Induction

2 x 30 mm Amal carburetors

Ignition

Battery / dual coil / dual points / Lucas

Starting

Electric and kick

Max Power

40.3 kW / 54 hp @ 6200 rpm

Max Torque

56.6 Nm / 5.77 kgf-m / 41.8 ft-lb @5500 rpm

Clutch

Wet, multiplate

Transmission

5 Speed

Final Drive

Chain, 106 links

Gear Ratios

1st 12.25 / 2nd 8.63 / 3rd 6.58 / 4th 5.59 / 5th 4.70:1
Frame Tubular steel, double front downtubes, oil bearing large tube backbone

Front Suspension

Telescopic forks

Rear Suspension

Swingarm, Girling shocks, 3-way spring preload adjustable

Front Brakes

Single 254 mm disc, 1 piston caliper

Rear Brakes

Single 254 mm disc, 1 piston caliper

Front Tyre

3.25-19

Rear Tyre

4.00-18
Rake 28o
Trail 109 mm / 4.3 in
Wheelbase 1422 mm / 56 in
Dimensions Length: 2220 mm / 87.5 in
Width:    840 mm / 33.0 in
Seat Height 813 mm / 32.0 in

Dry Weight

200 kg / 441 lbs

Fuel Capacity 

18.2 Litres / 4.8 US gal / 4.0 Imp gal
Consumption 5.5 L/100 km / 18 km/l / 42 US mpg / 51 Imp mpg
Top Speed 190 km/h / 118 mph
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