The Yamaha WR 250F for the years 2009-10 is a four-stroke, single-cylinder, DOHC, 5 valve motorcycle with a 249cc capacity and a compression ratio of 12.5:1. It has a liquid cooling system and dry sump lubrication, and uses a Keihin FCR-MX37 flat-slide induction system with a throttle position sensor. The ignition is digital CDI and it has both electric and kick starting capabilities. The transmission is five-speed and the final drive is chain. The frame is an aluminum bilateral beam and the suspension uses a 48mm fully adjustable inverted fork in the front and a fully adjustable link Monocross in the rear. The front and rear wheel travel are 300mm and 305mm respectively, and the front and rear brakes use single 250mm and 240mm discs with 2 and 1 piston calipers respectively. The front and rear tires are 80/100-21 and 100/100-18 respectively, and the motorcycle has a rake of 27.0 degrees and a trail of 115mm. The dimensions are 1275mm in height, 826mm in width, and 2315mm in length, with a wheelbase of 1475mm and a seat height of 980mm. It has a ground clearance of 335mm, a dry weight of 106kg, and a fuel capacity of 8 liters. The wet weight is 129.0 kg.
Technical specifications:
Make Model: Yamaha WR 250F
| Year | 2009 – 10 |
|---|---|
| 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 | 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 |
