The Yamaha TZR 125 motorcycle was produced from 1987 to 1988 and featured a two-stroke, single-cylinder engine with a capacity of 124 cc. It also had a liquid cooling system, Mikuni VM26SS carburetor, and CDI ignition. The maximum power it could produce was 26 horsepower at 10200 rpm and 1.8 kgf-m torque at 10000 rpm. The clutch was wet plate and it had a six-speed transmission with a final drive via chain. The front suspension was a telescopic fork and the rear suspension was a Monocross. The front brake was a single disc and the rear brake was a drum. The motorcycle weighed 104 kg dry and had a fuel capacity of 12 litres, which allowed it to average 21.5 km/lit in fuel consumption. Its braking distance from 60-0 and 100-0 was 13.8 m and 39.6 m, respectively. Its standing 1/4 mile time was 15.8 seconds with a top speed of 154.7 km/h.
Technical specifications:
Make Model: Yamaha TZR 125
| Year | 1987 – 88 |
|---|---|
| Engine | Two stroke, single cylinder, read valve, |
| Capacity | 124 cc / 7.6 cu-in |
| Bore x Stroke | 56.4 x 50 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 5.9:1 |
| Induction | Mikuni VM26SS carburetor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 26.hp / 19.3 kW @ 10200 rpm |
| Max Torque | 1.8 kgf-m / 13 lb-ft @ 10000 rpm |
| Clutch | Wet Plate |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic fork |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | Monocross |
| Rear Wheel Travel | 100 mm / 3.9 in |
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| Front Tyre | 90/90 16 |
| Rear Tyre | 100/90 18 |
| Dry Weight | 104 kg / 229 lbs |
| Wet Weight | 122.7 kg / 269 lbs |
| Fuel Capacity | 12 Litres / 3.1 US gal |
| Consumption Average | 21.5 km/lit |
| Braking 60 – 0 / 100 – 0 | 13.8 m / 39.6 m |
| Standing 1/4 Mile | 15.8 sec / 130.6 km/h |
| Top Speed | 154.7 km/h |
