The Yamaha XT 250 (2015) motorcycle, also known as Yamaha Serow 250 30th Anniversary Edition, has a four-stroke, single cylinder engine with a capacity of 249cc. The engine features SOHC technology, two valves, and a compression ratio of 9.5;1. The bike is also air-cooled, with wet sump lubrication and 33mm Vac induction. The TCI ignition system powers an 18 horsepower / 13.1 kW engine at 7,500 RPM. Torque is 19 Nm / 14.0 lb-ft at 6,500 RPM. The clutch is operated by a cable, with multiple discs for maximum power output from the six-speed transmission.
The final drive uses a chain system for smooth transmission of power. The front suspension is a 35mm telescopic fork with a travel of 216mm / 8.9 in, while the rear uses a monocross swingarm rebound-adjustable shock absorber that features a single shock with a travel of 180mm / 7.1 in. Braking is handled by single discs, with 245mm and 203mm discs on the front and rear, respectively. The tyres are sized 80/70-21 on the front and 120/80-18 on the rear.
The Yamaha Serow 250 30th Anniversary Edition has a length of 2150mm / 84.6 in, a width of 805mm / 31.7 in, and a height of 1160mm / 45.7 in. The wheelbase is 1359mm / 53.5 in, while the seat height is 810mm / 31.9 in. The bike has a dry weight of 123kg / 271 lbs and a wet weight of 132 kg / 291 lbs. It also has a fuel capacity of 9.8 litres / 2.6 US gal.
Technical specifications:
Make Model: Yamaha Serow 250 30th Anniversary Edition
| Year | 2015 |
|---|---|
| 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 2150 mm / 84.6 in Width 805mm / 31.7 in Height 1160mm / 45.7 in |
| Wheelbase | 1359 mm / 53.5 in |
| Seat Height | 810 mm / 31.9 in |
| Dry Weight | 123 kg / 271 lbs |
| Wet Weight | 132 kg / 291 lbs |
| Fuel Capacity | 9.8 Litres / 2.6 US gal |
