| MODEL | TRIUMPH T 140 750 TSS 1982 - 1983 |
| Year | 1982 - 1983 |
| Engine Type | Four stroke, parallel twin, four valves per cylinder |
| Displacement / Capacity | 748 cc / 45.6 cu in |
| Bore X Stroke | 76 x 82 mm |
| Compression Ratio | 9.5:1 |
| Cooling System | Air cooled |
| Max Power | 43.3 kW / 58 hp @ 6500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | 2 x 34 mm Amal carburetors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed constant mesh |
| Clutch | Wet, multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swinging arm with Marzocchi shocks |
| Front Brakes | 2 x 254 mm Lockheed discs |
| Rear Brakes | Single 254 mm Lockheed disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 775 mm / 30.5 in |
| Wheelbase | 1403 mm / 55.2 in |
| Ground Clearance | — |
| Dry Weight | 191 kg / 421 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100-19 |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 18.2 Litres / 4 US gal / 3.3 Imp gal |
| Fuel Consumption | 5.2 L/100 km / 45.5 US mpg / 54.6 Imp mpg |
| Top Speed | 193 km/h / 120 mph |
The TSS was a hot-rodded Bonneville with a Weslake-designed eight-valve head (four valves per cylinder) and a revised crankshaft to cut vibration. It gained roughly 20 percent more power than the standard twin, along with electric start and twin front discs. Only 438 were made.
