The Yamaha XT 250 Serow is a motorcycle model from 2010 to 2011 featuring a four-stroke, single cylinder engine with a capacity of 249 cc. It has a bore x stroke of 74.0 x 58.0mm and is air cooled with a compression ratio of 9.5;1. The bike has a wet sump lubrication system with a 33mm Vac induction and TCI ignition. Its maximum power output is 18 hp @ 7500 rpm and maximum torque of 19 Nm / 14.0 lb-ft @ 6500 rpm. The clutch is operated by multiple discs and cable, while the transmission has six speeds with a final drive chain. The front suspension features 35mm telescopic forks with 216 mm / 8.9 in of wheel travel, while the rear suspension offers Monocross, Swingarm rebound-adjustable single shock, with 180 mm / 7.1 in of wheel travel. It has single 245 mm disc front brakes and single 203 mm disc rear brakes, with 80/70-21 and 120/80-18 front and rear tires, respectively. The bike dimensions are length 2070 mm / 81.5 in, width 805 mm / 31.7 in, and a wheelbase of 1359 mm / 53.5 in. The seat height is 810 mm / 31.9 in, with a dry weight of 123 kg / 271 lbs and a fuel capacity of 9.8 Litres / 2.6 US gal.
Technical specifications:
Make Model: Yamaha XT 250 Serow
| Year | 2010 – 11 |
|---|---|
| Engine | Four stroke, single cylinder. SOHC, 2 valve |
| Capacity | 249 cc / 15.2 cu-in |
| Bore x Stroke | 74.0 x 58.0mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.5;1 |
| Lubrication | Wet sump |
| Induction | 33mm Vac |
| Ignition | TCI |
| Starting | Electric |
| Max Power | 18 hp / 13.1 kW @ 7500 rpm |
| Max Torque | 19 Nm / 14.0 lb-fts @ 6500 rpm |
| Clutch | Wet, multiple discs, cable operated |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | 35mm Telescopic forks |
| Front Wheel Travel | 216 mm / 8.9 in |
| Rear Suspension | Monocross, Swingarm rebound-adjustable single shock |
| Rear Wheel Travel | 180 mm / 7.1 in |
| Front Brakes | Single 245mm disc |
| Rear Brakes | Single 203mm disc |
| Front Tyre | 80/70-21 |
| Rear Tyre | 120/80-18 |
| Rake | 26.0 degrees |
| Dimensions | Length 2070 mm / 81.5 in Width 805 mm / 31.7 in |
| Wheelbase | 1359 mm / 53.5 in |
| Seat Height | 810 mm / 31.9 in |
| Dry Weight | 123 kg / 271 lbs |
| Fuel Capacity | 9.8 Litres / 2.6 US gal |
