The Yamaha TT-R 250 (1997-98) is a single-cylinder, four-stroke motorcycle with a 249cc engine that has a compression ratio of 10.3:1, and is air-cooled. The bike is equipped with a TEIKEI Y30P carburetor and a digital CDI ignition with an electric start. It has a maximum power output of 28 hp at 8500 rpm, and a maximum torque of 28 kgf-m at 7000 rpm. The transmission is 6-speed with a chain final drive. The front suspension consists of telescopic forks with a coil air spring oil damper, while the rear suspension is a monocross with a single shock and link-type, with adjustable preload. The front and rear wheel travel is 280mm, and the brakes are single 245mm and 220mm discs. The tires are 3.00-21 in the front and 4.60-18 in the rear. The overall dimensions of the bike are 1260mm in height, 2096mm in length, and 836mm in width with a wheelbase of 1405mm. The seat height is 914mm and the ground clearance is 305mm. The dry weight of the bike is 113kg, and it has a fuel capacity of 10.2 litres.
Technical specifications:
Make Model: Yamaha TT-R 250
| Year | 1997 – 98 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 4-valve per cylinder. |
| Capacity | 249 cc / 15.1 cu-in |
| Cooling System | Air-cooled |
| Bore x Stroke | 73 x 59.6 mm |
| Compression Ratio | 10.3:1 |
| Induction | TEIKEI Y30P carb |
| Ignition | Digital CDI |
| Starting | Electric |
| Max Power | 28 hp / 20.6 kW @ 8500 rpm |
| Max Torque | 28 kgf-m / 275 Nm @ 7000 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks, Coil air spring oil damper |
| Front Wheel Travel | 280 mm / 11.02 in |
| Rear Suspension | Monocross, Single shock, link-type, w/adjustable preload |
| Rear Wheel Travel | 280 mm / 11.02 in |
| Front Brakes | Single 245mm disc |
| Rear Brakes | Single 220mm disc |
| Front Tyre | 3.00-21 |
| Rear Tyre | 4.60-18 |
| Dimensions | Height 1260 mm / 49.6 inc Length 2,096 mm / 82.5 in Width 836 mm / 32.9 in |
| Wheelbase | 1405 mm / 55.3 in |
| Seat height | 914 mm / 36.0 in |
| Ground Clearance | 305 mm / 12 /in |
| Dry Weight | 113 kg / 249 lbs |
| Fuel Capacity | 10.2 Litres / 2.7 US gal |
