Yamaha WR250F (2005-06)

The Yamaha WR 250F is a motorcycle produced between 2005-06. It has a four stroke, single cylinder, DOHC, 5 valve engine with a capacity of 249 cc. The compression ratio is 12.5:1 and the lubrication system is dry sump. The Keihin FCR-MX37 flat-slide w/throttle position sensor is used for induction and the ignition is digital CDI. The motorcycle has electric/kick starting and a wet, multiple-disc clutch that is cable-operated. The transmission is 5-speed and the final drive is a #520 chain. The frame is made of aluminum bilateral beam and the suspension is fully adjustable. The front suspension has 48mm fully adjustable inverted forks with front wheel travel of 300 mm, while the rear suspension is fully adjustable link Monocross with rear wheel travel of 305 mm. The front brakes have a single 250mm disc with a 2 piston caliper while the rear brakes are single 240mm disc with a 1 piston caliper. The front tyre size is 80/100-21 and the rear tyre size is 100/100-18. The rake is 27.0 degrees and the trail is 115 mm. The motorcycle is 1275 mm high, 826 mm wide and 2315 mm long with a wheelbase of 1475 mm. The seat height is 998 mm, the ground clearance is 335 mm, and the dry weight is 106 kg. The fuel capacity is 8 liters.

Technical specifications:

Make Model: Yamaha WR 250F

Year: 2005-06

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: 998 mm / 39.3 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

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