The Triumph Bonneville 750 T140V is a motorcycle produced from 1973 to 1978. Its engine is a four-stroke, parallel twin, OHV design with 2 valves per cylinder and a capacity of 744cc. The bore and stroke are 76 x 82 mm and the compression ratio is 7.9:1. It has air-cooled induction with 2 x 30 mm Amal carburetors and battery/dual coil/dual points/Lucas ignition. The starting mechanism is kick-only. The maximum power output is 40.3 kW/54 hp @5000 rpm. The transmission is 5-speed with wet, multi-plate clutch and chain-type final drive. The frame is made of tubular steel with double front downtubes and oil-bearing large tube backbone. The front suspension is telescopic forks while the rear suspension features swingarm and Girling shocks with 3-way spring preload adjustable. The front and rear brakes are both single 254mm disc with 1 piston caliper. The front tyre size is 3.25-19 and the rear tyre size is 4.00-18. The rake of the bike is 28 degrees, while the trail is 109mm or 4.3 inches. The wheelbase is 1448mm/57 inches, and its dimensions are as follows: length: 2220mm/87.5 inches, width: 840mm/33.0 inches, seat height: 820mm/32.3 inches. The dry weight of the bike is 198kg/414lbs, and the fuel capacity is 12 litres/3.2 US gallons or 2.6 imperial gallons.
Technical specifications:
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 |
