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A YZ-bred advanced aluminum frame�carefully engineered from castings, forgings and extrusions�enhances handling while retaining legendary Yamaha feel and characteristics.
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Highly evolved five-titanium-valved engine starts with the push of a button.
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Cool digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode�or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode.
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The WR450F is green sticker approved for California.
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449 cc liquid-cooled DOHC four-stroke with five titanium valves delivers more broad power than ever, with high over-rev capacity and crisp, linear throttle response.
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Special WR camshafts, carburetion, intake ports, exhaust, etc., all work together to produce an engine with mind-boggling low- and midrange power.
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Special crank balance factor and AC generator provide super-smooth running. A piston oil-jet provides increased cooling for long life.
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Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing.
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39 mm Keihin� FCR flat-slide carburetor with throttle position sensor (TPS) produces ultra-precise fuel / air mixing and lightning-quick throttle response.
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No-tools airbox uses hinge-type quick-open lid. Battery rides low for excellent handling.
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Digital CDI ignition system delivers more precise spark and monitors engine speed to ensure optimal timing for fast, strong response during hard acceleration.
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Large-capacity radiators with reinforcements ensure maximum cooling efficiency with great strength.
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Wide-ratio five-speed transmission uses strengthened gears and YZ450F-spec multi-plate clutch, good for quick-hitting power in the woods, as well as eye-opening top-end power.
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Lightweight exhaust system maximizes engine power and allows hassle-free replacement of oil filter.
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Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light.
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Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever / cable play.
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Electric start ensures easy restarts.
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YZ-inspired aluminum frame helps reduce weight while optimizing mass centralization. An extensively tested assembly of aluminum forgings, castings and extrusions, the WR frame retains legendary Yamaha handling and response.
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Removable aluminum rear subframe is constructed of square-section tube for reduced weight.
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Fully adjustable air / oil-separate 48 mm cartridge-type fork delivers precise, fade-free handling; fork protectors provide excellent tube protection.
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Tapered swingarm adopts YZ-style linkage for controlled, compliant rear suspension action. Lightweight axle and holders reduce weight in a critical area.
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The KYB� shock provides 12 inches of travel with adjusters for high- and low-speed compression damping, rebound and spring preload�and features a larger piggyback reservoir for excellent damping and fade resistance.
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Wave-style brake discs reduce unsprung weight and provide excellent performance. Front and rear calipers with aluminum pistons deliver strong stopping power with progressive feel.
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Lightweight 21-inch front and 18-inch rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance.
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Premium Dunlop� knobbies offer unbeatable, competition-spec traction and excellent wear.
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Cool YZ-derived bodywork and a thick seat look great and feel excellent on long rides. ProTaper� aluminum handlebar in forged triple clamp for light weight and great comfort.
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Slim-design lightweight fuel tank holds 2.1 gallons.
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One-piece, high-strength, plastic skidplate shaves weight and offers great protection.
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Lightweight, 35-watt headlight and sweet LED taillight maximize visibility and draw less current.
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Adjustable front brake lever.
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Ultra-wide footpegs for more comfort.
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Re-packable aluminum muffler shaves weight.
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Front wheel collar makes front wheel removal quick and easy.
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Specs, Quotes, Overview
Standard Features
