The Yamaha WR 250F motorcycle was produced from 2007 to 2008 with a four-stroke, single-cylinder, DOHC, 5-valve engine with a capacity of 249cc/15.2 cu-in. It has a liquid cooling system, a compression ratio of 12.5:1, and a dry sump lubrication system. The bike has a Keihin FCR-MX37 flat-slide induction system with a throttle position sensor and digital CDI ignition. It is equipped with both electric and kick start options and has a wet, multiple-disc, cable-operated clutch with a 5-speed transmission and #520 chain final drive. The frame is made of aluminum bilateral beam and has a 48mm fully adjustable inverted fork front suspension with a 300mm/11.8in wheel travel and a fully adjustable link Monocross rear suspension with a rear wheel travel of 305mm/12.0in. The bike has single 250mm disc 2 piston caliper front brakes and single 240mm disc 1 piston caliper rear brakes, with an 80/100-21 front tire and 100/100-18 rear tire. It has a rake of 27.0 degrees and a trail of 115mm/4.5in, with overall dimensions of height 1275mm/50.2in, width 826mm/32.5in, and length 2315mm/91.1in. The wheelbase measures 1475mm/58.1in and the seat height is 980mm/38.6in, with a ground clearance of 335mm/13.2in. The dry weight of the bike is 106kg/233.2lbs and the wet weight is 129.0kg/284.4lbs, with a fuel capacity of 8 liters/2.1 gallons.
Technical specifications:
Make Model: Yamaha WR 250F
| Year | 2007 – 08 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 5 valve |
| Capacity | 249 cc / 15.2 cu-in |
| Bore x Stroke | 77 x 53.6 mm |
| Cooling System | Liquid cooled, |
| Compression Ratio | 12.5:1 |
| Lubrication | Dry sump |
| Induction | Keihin FCR-MX37 flat-slide w/throttle position sensor) |
| Ignition | Digital CDI |
| Starting | Electric / Kick |
| Clutch | Wet, multiple discs, cable operated |
| Transmission | 5 Speed |
| Final Drive | #520 Chain |
| Frame | Aluminium Bilateral Beam |
| Front Suspension | 48mm Fully adjustable inverted forks |
| Front Wheel Travel | 300 mm / 11.8 in |
| Rear Suspension | Fully adjustable link Monocross |
| Rear Wheel Travel | 305 mm / 12.0 in |
| Front Brakes | Single 250mm disc 2 piston caliper |
| Rear Brakes | Single 240mm disc 1 piston caliper |
| Front Tyre | 80/100-21 |
| Rear Tyre | 100/100-18 |
| Rake | 27.0 degrees |
| Trail | 115 mm / 4.5 in |
| Dimensions | Height 1275 mm / 50.2 in Width 826 mm / 32.5 in Length 2315 mm / 91.1 in |
| Wheelbase | 1475 mm / 58.1 in |
| Seat Height | 980 mm / 38.6 in |
| Ground Clearance | 335 mm / 13.2 in |
| Dry Weight | 106 kg / 233.2 lbs |
| Wet Weight | 129.0 kg / 284.4 lbs |
| Fuel Capacity | 8 Liters / 2.1 gal |
