2009 Yamaha Dirt Bike (YZ 250)

Engine

Type 249cc liquid-cooled 2-stroke; reed-valve inducted

Bore x Stroke 66.4 x 72.0mm

Compression Ratio 9.2 – 10.9:1

Carburetion Keihin? PWK38S

Ignition CDI

Transmission Constant-mesh 5-speed; multiplate wet clutch

Final Drive Chain Drive

Chassis

Suspension/Front Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel

Suspension/Rear Fully adjustable single shock, 12.4-in travel

Brakes/Front Hydraulic single disc brake, 250mm

Brakes/Rear Hydraulic single disc brake, 245mm

Tires/Front 80/100-21-51M

Tires/Rear 110/90-19-62M

Dimensions

Length 85.7 in

Width 32.6 in

Height 51.4 in

Seat Height 39.1 in

Wheelbase 58.3 in

Ground Clearance 15.0 in

Wet Weight 229 lb

Fuel Capacity 2.1 gal