Whether it's the stunning acceleration, outstanding agility or adrenaline-inducing two-stroke sound, Yamaha's legendary YZ250 has built a massive following in the moto world. On the track or on the trail, the exhilarating 250cc liquid-cooled engine provides an instant hit of power for holeshot-winning acceleration, while the exclusive Yamaha Power Valve System serves up plenty of torque in the low- to mid-range. It's industry-leading KYB® suspension offers outstanding traction with plenty of feedback, and the slim bodywork and flat seat ease rider movement when braking, accelerating and cornering. Technical Specification Engine Type: Liquid-cooled, 2-stroke, reed-valve with YPVS Displacement (cc): 249.0 Bore x Stroke (mm): 66.4 x 72.0 Compression Ratio: 8.9 - 10.6 : 1 Lubrication System: Premix Fuel Management: PWK38S Ignition: CDI Starter System: Kick Fuel Tank Capacity (L): 7.0 Final Transmission: Chain Transmission: Constant mesh 5-speed