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2011 Yamaha YZ250

2011 Yamaha YZ250  11MS_YZ250_blu_S1_faabd4a2
C70_11ms_yz250_blu_s1_faabd4a2 C70_11ms_yz250_blu_s2_98d45d3c
Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC

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Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC

Specifications

Model Year 2011
Engine Type Liquid-cooled 2-stroke; reed-valve inducted
Engine Displacement 249cc
Bore x Stroke 66.4 x 72.0mm
Compression Ratio 8.9~10.6:1
Fuel System Keihin® PWK38S
Ignition CDI
Transmission Constant-mesh 5-speed; multiplate wet clutch
Final Drive
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
Overall Length 85.7 in
Overall Width 32.6 in
Overall Height 51.4 in
Seat Height 39.1 in
Wheelbase 58.3 in
Ground Clearance 15.0 in
Rake/Trail
Fuel Capacity 2.1 gal
Curb Weight 227 lb
Miscellaneous

Engine:

• 249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband.
• Patented YPVS® power-valve system combines crisp, hard-hitting, bottom-end acceleration with strong midrange and eye-opening top-end.
• Special-design carbon fiber reed-valve petals improve throttle response and engine performance across the entire rpm range.
• Smooth-shifting, five-speed, close-ratio transmission with heavy-duty, multiplate clutch.
• Primary kickstarter ensures smooth, easy starting action and reduced weight.
• Large-capacity radiator features a ten-row core with four louvers for maximum cooling efficiency.
• 38mm Keihin® PWK carburetor with power jet and throttle position sensor (TPS) ensures precise fuel/air mixing and extra-crisp throttle response throughout the powerband.
• Digital CDI ignition system delivers precise spark for faster, stronger response anywhere in the powerband.
• Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.

Chassis/Suspension:

• YZ250F-style front-brake caliper and wave-style front and rear discs minimize unsprung weight and provide excellent stopping power.
• The KYB® 48mm forks feature the Speed-Sensitive System that uses piston speed to control damping force for super-precise handling and a smooth ride.
• A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250 class.
• Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
• Rear, fully adjustable KYB® shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort all add up to fantastic rear wheel control and a sweet ride.
• Lightweight 21-inch front and 19-inch rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension, performance and handling.
• Tapered rear wheel spacers ease sliding the rear wheel into place for quicker tire changes.
• Premium Dunlop® knobbies offer race-spec traction and wear.

Additional Features:

• Wide, cleated, folding titanium footpegs are lightweight and provide excellent comfort, grip and ground clearance.
• Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low handlebar provide excellent movement and more comfortable ergonomics for riders.
• Wide-diameter fuel tank cap ensures easier usage, while larger tank opening means faster, hassle-free refueling.
• A light and strong ProTaper® aluminum handlebar in adjustable mounts means comfort and control.
• Premium drive chain has gold-colored plates for outstanding looks.
• Use of light box-head bolts throughout the chassis eases maintenance while reducing weight and increasing performance.
• Repackable exhaust silencer.
• Durable, comfortable handlebar grips.

Price N/A
More Info
Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC