The Yamaha TDR 250 is a motorcycle from 1989 with a liquid cooled, two stroke, parallel twin cylinder engine capable of a 249cc engine capacity. Its compression ratio is 5.9:1, with 2x 28mm Mikuni carbs and a transistorized ignition. The Yamaha TDR 250 has a maximum power of 46 hp at 9500 rpm and a maximum torque of 3.6 kgf-m at 8000 rpm. It has a 6-speed transmission with a chain drive, front air-assisted telescopic forks with 7-way adjustable preload, and a single shock rising rate-adjustable preload rear suspension. The front brakes consist of a single 320mm disc with 2 piston calipers, and the rear brakes are a single 210mm disc with a single piston caliper. The front and rear tires are 110/90-18 and 120/80-17, respectively. The dry weight and wet weight of the motorcycle are 134 kg and 150 kg, respectively, with a fuel capacity of 13.6 liters. The average fuel consumption is 15.9km per liter, with a braking distance of 14.0 meters when going from 60 to 0 km/h and 38.7 meters when going from 100 to 0 km/h. The standing quarter mile is 13.6 seconds at a top speed of 152.8 km/h, and the top speed of the Yamaha TDR 250 is 175 km/h.
Technical specifications:
Make Model: Yamaha TDR 250
| Year | 1989 |
|---|---|
| Engine | Liquid cooled, two stroke, parallel twin cylinder, read valve, |
| Capacity | 249 |
| Bore x Stroke | 56.4 50 mm |
| Compression Ratio | 5.9:1 |
| Induction | 2x 28mm Mikuni carbs |
| Ignition / Starting | Transistorized / |
| Max Power | 46 hp @ 9500 rpm |
| Max Torque | 3.6 kgf-m @ 8000 rpm |
| Transmission / Drive | 6 Speed / chain |
| Front Suspension | Air assisted telescopic forks7-way adjustable preload, |
| Rear Suspension | Single shock rising rate adjustable preload, |
| Front Brakes | Single 320mm disc 2 piston calipers |
| Rear Brakes | Single 210mm disc single piston caliper |
| Front Tyre | 110/90-18 |
| Rear Tyre | 120/80-17 |
| Dry Weight / Wet Weight | 134 kg / 150 kg |
| Fuel Capacity | 13.6 Litres |
| Consumption Average | 15.9 lm/lit |
| Braking 60 – 0 / 100 – 0 | 14.0 m / 38.7 m |
| Standing 1/4 Mile | 13.6 sec / 152.8 km/h |
| Top Speed | 175 km/h |
