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Features

Additional Features

Rugged 45mm-wide serrated footrests provide excellent grip and rider comfort.

Large-capacity, 2.6 gallon fuel tank ensures excellent range.

Dual 30-watt multireflector halogen headlights set back in the front cowl add the perfect menacing apperarance. LED taillight is tough, draws less current and has an incorporated brake light for added convenience.

Easy-to-use, toggle link-type handlebar-mounted parking brake can be set with one hand.

All

In honor of our favorite six-time GNCC Champion, the Bill Ballance Edition YFZ450 sports a Signature Series front grab bar, special grahics that include his signature and GYTR nerf bars. (Nerf bars recommended for closed-course use only.)

The lightest, most powerful ATV ever, winner of just about every magazine shootout, 2005 GNCC and Quadcross Championships, and ATV Illustrated's Sport ATV of the Year (a tie with our Raptor 700R).

Most powerful industry-exclusive five-titanium-valve engine and 350-pound dry weight give the YFZ450 the best power-to-weight ratio of any ATV ever produced.

Ultra-compact, lightweight, high-tensile steel frame with fully adjustable suspension means YFZ450 is also to best handling race bred ATV ever produced.

The YFZ450 comes standard with pushbutton electric starting, a convenient flip-type parking rake and suspension calibrated for performance.

Bill Ballance package includes nerf bars, grab bar, hi-/lo-compression adjustable suspension and special graphics.

New front brake master cylinder and lever gives excellent feel and feedback.

New drilled rear brake disc reduces unsprung weight and offers excellent feel and feedback.

A new internal oil jet aimed at the piston bottom adds cooling capacity and increased reliability.

An improved clutch offers consistent operation and big-time strength for excellent performance.

Chassis/Suspension

Independent aluminum upper A-arm front suspension features fully adjustable competition-spec Kayaba pggyback shocks with 9.1 inches of travel and separate adjusters for preload, rebound and compression damping.

New rear suspension system is YZ linkage-type, controlled by a fully adjustable Showa shock with 10.6 inches of travel and separate adjusters for preload, rebound and compression damping.

Ultra-rigid cast aluminum swingarm reduces weight and ensures optimal suspension action.

Titanium heat shield is super light and strong.

Long travel out back means an excellent ride and handling.

Eccebtruc chain adjuster mechanism simplifies that job, and a twinpiston rear brake caliper provides strong, controllable rear braking.

Numerous aluminum components-including the swingarm, upper A-arms, oil tank, grab bars and shweels-help keep overall dry weight down to a paltry 350 pounds.

Controlled-Fill cast aluminum subframe is light and super-strong.

Lightweight front and rear master cylinders, combined with twin 161mm front discs with twin-piston calipers and single 200mm rear disc, deliver incredible stopping power with progressive control and feel.

High-performance 21x7R-10 front and 20x10R-9 rear Dunlop radials, designed specifically for the YFZ450, deliver superb, class-leading traction.

Long, low and narrow YZ-style seat enhances the quick, balanced steering and optimal rider movement.

Engine

449cc liquid-cooled, DOHC four-stroke with 5 titanium valves features 95mm bore and 63.4mm stroke for massive power with hgih over-rev capacity and crisp, linear throttle response.

Large-capacity radiator is optimally mounted in the frame to guard against damage.

Reliable, pushbutton electric start in any gear adds extra convenience.

High performance 39mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) delivers ultra-precise fuel/air mixing and crisp throttle response.

Additional weight-saving engine features include: magnesium cylinder head cover and right side crankcase cover; small-design cam chain tensioner and oil pump; aluminum oil hose; and tight CDI ignition unit.

Trick, works-style clutch lever features oversize barrel adjuster for easy, no tool adjustability of lever/cable play.

Dry sump engine carries oil in an aluminum tank directly in front of the engine for excellent cooling and optimal protection from rocks and mud.

DC ignition system delivers ultra-precise spark and 3D timing for faster, stronger engine response during hard acceleration.

High-performance stainless steel exhaust header is mated to a USFS-approved spark arrestor.

Smooth-shifting YZ-spec ratchet-type five-speed transmission and heavy-duty clutch deliver all that power to the rear tires with maximum efficiency.

Large capacity airbox features no-tool access to the oiled dual foam filter for easy maintenance.

Ignition coil is integrated into the spark plug cap; extremely light and compact.

Specifications

Photos

Request a quote for: 2007 Yamaha YFZ450 Bill Ballance Edition

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