The Suzuki TF 125 (1970-72) motorcycle has an oil-injected, two-stroke single-cylinder engine with a rotary disc valve, Suzuki CCI and Amal VM 19 SC carburetor. It has a capacity of 89 cc and a compression ratio of 6.8:1. The cooling system is air-cooled and it has a flywheel magnetor ignition system. It has a maximum power of 8.2 kW / 11 hp at 7500 rpm and a maximum torque of 10.6 Nm at 7000 rpm. The clutch is wet, multi-plate and it has a 5-speed constant mesh transmission with a final drive of chain. The front suspension is telescopic forks, coil spring, oil damped, and the rear suspension is swingarm, dual shocks, coil springs. It has drum, internal expanding brakes on both the front and rear wheels with 2.75-18 4PR tires. The bike has a length of 1875mm, width of 841mm, and height of 1080mm, and a dry weight of 89kg/197lbs. The fuel capacity is 6.0L / 1.58 US gal and the top speed (claimed) is 112 km/h / 70 mph.
Technical specifications:
Make Model: Suzuki TS 90 Honcho
| Year | 1970 – 72 |
|---|---|
| Engine | Oil injected two stroke, single cylinder, forward inclined, rotary disc valve, Suzuki CCI |
| Capacity | 89 cc / 5.43 cu in |
| Bore x Stroke | 47 x 51.8 mm |
| Compression Ratio | 6.8:1 |
| Cooling System | Air cooled |
| Induction | Amal VM 19 SC carburetor |
| Ignition | Flywheel magnetor |
| Spark Plug | B-77HC |
| Starting | Kick |
| Battery | 6V, 4Ah |
| Max Power | 8.2 kW / 11 hp @ 7500 rpm |
| Max Torque | 10.6 Nm / 1.08 kgf-m / 7.82 lb-ft @ 7000 rpm |
| Clutch | Wet, multi-plate |
| Transmission | 5-Speed, constant mesh |
| Final Drive | Chain |
| Primary Reduction | 3.173 (73/23) |
| Gear Ratios | 1st 2.818 (31/11) / 2nd 1.866 (28/15) / 3rd 1.388 (25/18) / 4th 1.100 (122/20) / 5th 0.870 (20/23) |
| Final Reduction | 3.642 (51/14) |
| Front Suspension | Telescopic forks, coil spring, oil damped |
| Rear Suspension | Swingarm, dual shocks, coil springs |
| Front Brakes | Drum, internal expanding |
| Rear Brakes | Drum, internal expanding |
| Front Tyre | 2.75 – 18 4PR |
| Rear Tyre | 2.75 – 18 4PR |
| Dimensions | Length: 1875 mm / 73.8 in Width: 841 mm / 33.1 in Height: 1080 mm / 42.5 in |
| Wheelbase | 1194 mm / 47.0 in |
| Ground Clearance | 173 mm / 6.8 in |
| Climbing Ability | 27o |
| Dry Weight | 89 kg / 197 lbs |
| Oil Capacity | 1.2 L / 1.27 IS qt / 1.55 Imp qt |
| Gearbox Oil Capacity | 0.8 L / 1.69 US pt / 1.40 Imp qt |
| Fuel Capacity | 6.0 L / 1.58 US gal / 1.32 Imp gal |
| Fuel Reserve | 2.0 L / 4.23 US pt / 3.52 Imp pt |
| Top Speed (claimed) | 112 km/h / 70 mph |