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Yamaha WR450F
- A YZ-bred advanced aluminum frame—carefully engineered from castings, forgings and extrusions—enhances handling while retaining legendary Yamaha feel and characteristics.
- Highly evolved five-titanium-valved engine starts with the push of a button.
- 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.
- The WR450F is green sticker approved for California.
- 449cc 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.
- Special camshafts, carburetion, intake ports, exhaust, etc., all work together to produce an engine with mind-boggling low- and midrange power.
- Special crank balance factor and AC generator provide super-smooth running. A piston oil-jet provides increased cooling for long life.
- Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing.
- 39mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) produces ultra-precise fuel/air mixing and lightning-quick throttle response.
- “No tools” airbox uses hinge-type quick-open lid. Battery rides low for excellent handling.
- Digital CDI ignition system delivers more precise spark and monitors engine speed to ensure optimal timing for fast, strong response during hard acceleration.
- Large-capacity radiators with reinforcements ensure maximum cooling efficiency with great strength.
- Wide-ratio five-speed transmission uses strengthened gears and YZ450F-spec multiplate clutch—good for quick-hitting power in the woods as well as eye-opening top-end power.
- Lightweight exhaust system maximizes engine power and allows hassle-free replacement of oil filter.
- Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light.
- Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play.
- Electric start ensures easy restarts.
Additional Features:
- 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.
- Slim-design lightweight fuel tank holds 2.1 gallons.
- One-piece, high-strength, plastic skid plate shaves weight and offers great protection.
- Lightweight, 35-watt headlight and sweet LED taillight maximize visibility and draw less current.
- Adjustable front brake lever.
- Ultra-wide footpegs for more comfort.
- Repackable aluminum muffler shaves weight.
- Front wheel collar makes front wheel removal quick and easy.
For more information please visit the Yamaha website.