The Triumph TR7T Tiger Trail was a motorcycle produced in 1981, containing a four stroke, parallel twin cylinder, OHV engine with a capacity of 744cc. The bike had a compression ratio of 7.4:1 and was cooled by air. It utilized an Amal Mkl, 30mm slide type carburetor for induction and Lucas electronic ignition with battery and coils for power. The bike had a maximum power output of 31.3 kW / 42 hp @ 6500 rpm with a maximum torque of 50 Nm / 5.1 kgf-m / 37 ft-lb @ 5000 rpm. It had a 5-speed transmission with a chain final drive and a top speed of 167 km/h / 104 mph. The bike weighed 174 kg / 383 lbs and had a fuel capacity of 10.5 L / 2.8 US gal / 2.3 Imp gal. The front and rear suspension systems included telescopic forks with coil springs and oil damping and a swinging fork controlled by twin Marzocchi units respectively. Additionally, the bike featured a single 10″ disc front brake and a singe 7″ drum rear brake. Its standing 1/4 mile was recorded at 14.2 sec / 147 km/h / 91.3 mph.
Technical specifications:
Make Model: Triumph TR7T Tiger Trail
| Year | 1981 |
|---|---|
| Engine | Four stroke, parallel twin cylinder, OHV |
| Capacity | 744 cc / 45.4 cu in |
| Bore x Stroke | 76 x 82 mm |
| Compression Ratio | 7.4:1 |
| Cooling System | Air cooled |
| Induction | Amal Mkl, 30mm slide type carburetor |
| Ignition | Lucas electronic with battery and coils |
| Starting | Kick |
| Battery | 12V Yuasa. |
| Generator | Lucas 12V/130W single phase alternator. |
| Clutch | Wet, multiplate |
| Max Power | 31.3 kW / 42 hp @ 6500 rpm |
| Max Torque | 50 Nm / 5.1 kgf-m / 37 ft-lb @ 5000 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Gear Ratio | 1st 13.49 / 2nd 9.59 / 3rd 7.31 / 4th 6.21 / 5th (top) 5.22:1. |
| Frame | Tubular double cradle with twin front downtubes and spine main frame used as oil tank. |
| Front Suspension | Telescopic forks with coil springs and oil damping |
| Front Wheel Travel | 152 mm / 6 in |
| Rear Suspension | Swinging fork controlled by twin Marzocchi units. Five spring pre-load settings and gas/oi damping |
| Rear Wheel Travel | 127 mm / 5 in |
| Front Brakes | Single 10″ disc |
| Rear Brakes | Singe 7″ drum |
| Front Tyre | 3.00 -21 |
| Rear Tyre | 4.00 -18 |
| Dimensions | Length: 2248 mm / 88.5inWidth: 787 mm / 31.0 in. Height: 1118 mm / 44.0 in. |
| Seat height | 826 mm / 32.5 in. |
| Wheelbase | 1422 mm / 56 in. |
| Dry Weight | 174 kg / 383 lbs |
| Fuel Capacity | 10.5 L / 2.8 US gal / 2.3 Imp gal |
| Standing 1/4 Mile | 14.2 sec / 147 km/h / 91.3 mph |
| Top Speed | 167 km/h / 104 mph |
