| MODEL | YAMAHA TT-R 250 1999 - 2000 |
| Year | 1999 - 2000 |
| Engine Type | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 249 cc / 15.1 cu in |
| Bore X Stroke | 73 x 59.6 mm |
| Compression Ratio | 10.3:1 |
| Cooling System | Air-cooled |
| Max Power | 20.6 kW / 28 hp @ 8500 rpm |
| Max Torque | 27.1 Nm / 20.0 lb-ft @ 7000 rpm |
| Ignition | Digital CDI |
| Induction | Teikei Y30P carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Cable-operated wet clutch |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular steel, double cradle |
| Front Suspension | Telescopic forks, coil air spring, oil damper; 280 mm / 11.02 in travel |
| Rear Suspension | Monocross, single shock, link-type, adjustable preload; 280 mm / 11.02 in travel |
| Front Brakes | Single 245 mm disc |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | 2096 mm / 82.5 in |
| Overall Width | 836 mm / 32.9 in |
| Overall Height | 1260 mm / 49.6 in |
| Seat Height | 914 mm / 36.0 in |
| Wheelbase | 1405 mm / 55.3 in |
| Ground Clearance | 305 mm / 12.0 in |
| Dry Weight | 113 kg / 249 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.00-21 |
| Rear Tyre | 4.60-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 10.2 Litres / 2.7 US gal |
| Fuel Consumption | — |
| Top Speed | 118 km/h |
A continuation of the air-cooled four-valve TT-R 250 trail bike, with the same engine, chassis and suspension figures as the 1997-98 version. It offers electric start, six gears and a tall 914 mm seat. A dependable all-round trail machine rather than a race replica.
