2008 YFZ450 SE

The YFZ450 sports a GYTR™ front grab bar and heel guards plus orange/black paint with special graphics.

YFZ450 SE Orange/Black YFZ450 SE White

Key Features:

• The YFZ450 Special Edition is so hot, it comes with a GYTR™ front grab bar and heel guards plus orange/black paint with special graphics.
• The lightest, most powerful ATV ever, winner of just about every magazine shootout, 2004/2006 GNCC and Quadcross Championships, 2005/2006 World Four-Stroke Champion and ATV Illustrated's 2007 Sport ATV of the Year (a tie with our own 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 the best-handling race-bred ATV ever produced.
• The YFZ450 comes standard with pushbutton electric starting, a convenient flip-type parking brake and suspension calibrated for performance.

Engine:

• 449cc liquid-cooled, DOHC four-stroke with five titanium valves features 95mm bore and 63.4mm stroke for massive power with high 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 light 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 or 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.

Chassis/Suspension:

• Independent aluminum upper A-arm front suspension features competition-spec piggyback shocks with 9.1 inches of travel and adjustable preload, rebound and high- and low-speed 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.
• Front brake master cylinder and lever give excellent feel and feedback.
• Drilled rear brake disc reduces unsprung weight and offers excellent feel and feedback.
• A internal oil jet aimed at the piston bottom keeps things cool and well lubricated.
• Titanium heat shield is super light and strong.
• Long travel out back means an excellent ride and handling.
• Eccentric chain adjuster mechanism simplifies that job, and a twin-piston rear brake caliper provides strong, controllable rear braking.
• Numerous aluminum components including the swingarm, upper A-arms, oil tank, grab bars and wheels 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.

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 multi-reflector halogen headlights set back in the front cowl add the perfect menacing appearance. 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.

Specifications

Engine

• Type 449cc liquid-cooled w/fan, 4-stroke; DOHC, 5 titanium valves
• Bore x Stroke 95.0 x 63.4mm
• Compression Ratio 11.4:1
• Carburetion Keihin 39mm FCR w/throttle position sensor
• Ignition DC-CDI
• Starting System Electric
• Transmission 5-speed; wet multiplate clutch
• Drive Train 2WD; sealed O-ring chain, eccentric adjustment

Chassis

• Suspension/Front Independent double wishbone, w/piggy back High-/Lo-speed compression, rebound and threaded preload adjustment, 9.1-in travel
• Suspension/Rear Cast aluminum swing arm w/rebound,High-/Lo-speed compression and threaded preload, 10.6-in travel
• Brakes/Front Dual ventilated hydraulic disc, twin piston
• Brakes/Rear Ventilated hydraulic disc, twin piston
• Tires/Front AT21x7-10 radial
• Tires/Rear AT20x10-9 radial

Dimensions

• L x W x H 72.4 x 46.1 x 42.9 in
• Seat Height 31.9 in
• Wheelbase 50.4 in
• Ground Clearance 4.5 in
• Fuel Capacity 2.6 gal
• Dry Weight 350 lb

Other

• Lighting Dual 30W Krypton multi-reflector headlights & 3.9/0.5W LED brakelight
• Warranty 6 Month (Limited Factory Warranty)

MSRP* $7,649 (Midnight Blue/White) Available from January 2008
$7,649 (Black/Orange) Available from July 2007