Spunky's Motorcycle Shop

Information

On the track or on the trail, the YZ250's exhilarating 250cc liquid-cooled engine provides an instant hit of power for holeshot-winning acceleration. It's industry-leading KYB® suspension offers outstanding handling, and the slim bodywork and flat seat ease rider movement when braking, accelerating and cornering.


Optimized rider ergonomics with a narrow tank, flatter seat and slimmer radiator shrouds offering greater freedom of movement
Advanced liquid-cooled YPVS-equipped 249cc two-stroke engine is lightweight, compact and fun, with a wide, hard-hitting powerband
Straight intake design improves feeling of power in the low rpm range
Advanced Hitachi Astemo® Keihin PWK38S carburetor with power jet and throttle position sensor provides extra-crisp throttle response
High performance brake setup features large front pistons, rigid caliper and rotors with maximized pad contact area for exceptional stopping power and feel.
Fully adjustable KYB® fork features the Speed-Sensitive System for precise handling and superb shock absorption
Fully adjustable KYB® rear shock features reduced-friction Kashima Coat™ internals
Race-proven, highly developed forged aluminum semi-double cradle frame
Removable aluminum rear subframe constructed of square-section tubing for reduced weight
Finely tuned lightweight chassis and advanced suspension endow the YZ250 with class-leading handling

Engine 2-stroke, liquid-cooled, crankcase reed-valve, single
Displacement 249 cc
Bore and Stroke 66.4 x 72 mm
Compression Ratio 8.9~10.6:1
Fuel Delivery Keihin PWK38S
Ignition / Starting CDI / Kick
Transmission Constant mesh, 5-speed
Final Drive Chain

Suspension (Front) Fully adjustable 48 mm inverted fork / 300 mm (11.8") wheel travel
Suspension (Rear) Fully adjustable link Monocross / 315 mm (12.4") wheel travel
Brakes (Front) 270 mm floating disc / twin piston caliper
Brakes (Rear) 240 mm disc / single piston caliper
Tires (Front) 80/100-21 Geomax MX33F
Tires (Rear) 110/90-19 Geomax MX33

Length 2,185 mm (86")
Width 825 mm (32.5")
Height 1,290 mm (50.8")
Wheelbase 1,485 mm (58.5")
Ground Clearance 360 mm (14.2")
Seat Height 970 mm (38.2")
Fuel Capacity 8 litres (1.8 imp. gallons)
Wet Weight 103 kg (227 lbs)
Colour(s) Yamaha Racing Blue
70th Anniversary