YFZ450 SE - Yamaha Motorsports
2007 YFZ450 SE KEY FEATURES: 1 . The YFZ450 Special Edition with hi/lo-speed adjustable piggyback shocks now comes with all-black with red flames graphic package or hot flaming graphics. 2 . Front and rear piggyback shocks adjust for high- and low-speed compression damping—as well as rebound damping and spring preload. 3 . 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 own Raptor 700R). 4 . 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. 5 . Ultra-compact, lightweight, high-tensile steel frame with fully adjustable suspension means YFZ450 is also the best handling race bred ATV ever produced. Black/Carbon Flames $7,449 MSRP White/Red Carbon Flames $7,449 MSRP Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer. 6 . The YFZ450 comes standard with pushbutton electric starting, a convenient flip-type parking brake and suspension calibrated for performance. 2007 FEATURES & BENEFITS NEW FOR 2007: Front and rear piggyback shocks adjust for high- and low-speed compression damping—as well as rebound damping and spring preload. — New, ProTaper aluminum handlebar is light, strong and comfortable. — 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 keeps things cool and well lubricated. — An improved clutch offers consistent operation and big-time strength. 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. YFZ450 SE 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. Easy-to-use, toggle link-type handlebar-mounted parking brake can be set with one hand. — CHASSIS/SUSPENSION: Independent aluminum upper A-arm front suspension features fully adjustable competition-spec Kayaba piggyback 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. — Controlled Fill cast aluminum subframe is light and super-strong. — Eccentric chain adjuster mechanism simplifies that job, and a twinpiston rear brake caliper provides strong, controllable rear braking. — Numerous aluminum components—including the swingarm, upper Aarms, oil tank, grab bars and wheels—help keep overall dry weight down to a paltry 350 pounds. — 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: High-performance stainless steel exhaust header is mated to a USFSapproved spark arrestor. — Dual 30-watt multireflector 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. — — DC ignition system delivers ultra-precise spark and 3D timing for faster, stronger engine response during hard acceleration. Large-capacity, 2.6 gallon fuel tank ensures excellent range. Rugged 45mm-wide serrated footrests provide excellent grip and rider comfort. Specifications subject to change without notice. This document contains many of Yamaha's valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement. © 2017 Yamaha Motor Corporation, U.S.A. All rights reserved. — yamahamotorsports.com For Accessories, visit shopyamaha.com 2007 YFZ450 SE SPECIFICATIONS: Specifications subject to change without notice. This document contains many of Yamaha's valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement. © 2017 Yamaha Motor Corporation, U.S.A. All rights reserved. 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 Fuel Delivery 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 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-/Lospeed 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 LxWxH 72.4 x 46.1 x 42.9 Seat Height 31.9 in Wheelbase 50.4 in Maximum Ground Clearance 4.4 in Fuel Capacity 2.6 gal Wet Weight 373 lb Dry Weight 350 lb Lighting Dual 30W Krypton multireflector headlights & 3.9/0.5W brake light Color Black/Carbon Flames; White/Red Carbon Flames *** Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real real--world comparisons with other models.
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