Triumph Bonneville 750 T140 (1973-78)

Make Model: Triumph Bonneville 750 T140V


Year: 1973 – 78
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: 7.9:1
Cooling System: Air cooled
Induction: 2 x 30 mm Amal carburetors
Ignition: Battery / dual coil / dual points / Lucas
Starting: Kick
Max Power: 40.3 kW / 54 hp @ 5000 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: 1448 mm / 57 in
Dimensions: Length: 2220 mm / 87.5 in Width: 840 mm / 33.0 in
Seat Height: 820 mm / 32.3 in
Dry Weight: 198 kg / 414 lbs
Fuel Capacity: 12 Litres / 3.2 US gal / 2.6 Imp gal


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