$2,995
Lubbock, Texas
Category
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Engine
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Posted Over 1 Month
2007 Yamaha YZ250F, Contact our Lubbock store @ 806-793-2551 (local) or 800-207-6002 (toll free). 2007 Yamaha® YZ®250F Key Features May Include Ongoing refinement to chassis and engine produce an amazingly balanced, light-handling machine with performance that's accessible to all levels of riders. Five-titanium valve engine spins out amazing torque and horsepower all the way to 13,500 RPM. A carefully tuned aluminum frame made up of forgings, weldings, castings and tubing means sharp, super-precise handling. Increased mass centralization and 2.5-pound weight reduction provides fantastic overall balance and performance. A ProTaper aluminum handlebar in adjustable clamps, Excel rims, titanium footpegs and shock spring are just a few tricks up the YZ250F's sleeve. Features & Benefits New for 2007 Carburetion, ignition and other modifications provide more top-end performance and over-rev ability. The engine mounting angle has been changed; rotating the cylinder head rearward changes the balance of the machine for compactness and sharp handling. Smaller engine mounting bolts and other things add up to 2.5 pounds less weight. Moving the steering head 3mm rearward makes the bike super-nimble turning into tight corners and carves tight lines. Replacing the upper cast triple clamp with a light and strong forging, slightly reducing steering head rigidity, and the use of lighter outer fork tubes, lighter wheel rims and light wave-type brake rotors add up to super-accurate, super-responsive steering. A lighter front brake caliper and master cylinder with smaller pistons saves weight; a new front brake lever gives excellent feel. The result is outstanding braking power and less unsprung front-end weight. Increasing the length of the rear shock by 1.5mm further sharpens handling. Replacing steel damping adjusters with aluminum ones removes more weight from the four-way adjustable, titanium-sprung rear suspension unit. New exhaust pipe works with engine changes to boost top- endresponse while adhering to 2007 AMA noise regulations. This year s ProTaper aluminum handlebar bend raises the grips 8mm for an expanded cockpit. Forged bar clamps reduce weight for superior handling. Engine Liquid-cooled, 249cc, five-titanium-valved, DOHC, four-stroke is powerful and highly tractable, with a 13,500-rpm redline for broad, competition-crushing pulling power. 37mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) ensures precise fuel/air mixing and lightning-quick throttle response. CDI ignition provides a hot, consistent spark across the powerband for right-now throttle response. Light, dished forged piston reduces reciprocal mass and friction for faster revving and excellent durability. Lightweight titanium header
