2012 Yamaha WR450F
For 2012, the ultimate trail machine is now fuel-injected.
The best just got even better. The new WR450F features a powerful and reliable high-revving five-titanium-valve engine with new fuel injection, YZ-bred advanced aluminum frame, latest generation YZ forks and shock, and new slim bodywork with updated head-light design gives the WR450F an aggresive, tough appearance. Plus it's green sticker approved for California.
Key Features - A YZ-bred advanced aluminum frame—carefully engineered from castings, forgings and extrusions—enhances handling while retaining legendary Yamaha feel and characteristics.
Key Features - Highly evolved five-titanium-valved engine starts with the push of a button.
Key Features - Highly functional 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.
Key Features - The WR450F is green sticker approved for California.
Engine - 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.
Engine - Special crank balance factor and AC generator provide super-smooth running. A piston oil-jet provides increased cooling for long life.
Engine - Digital CDI ignition system delivers precise spark and monitors engine speed to provide optimal timing for fast, strong response during hard acceleration.
Engine - No-tools airbox uses hinge-type quick-open lid. Battery rides low for excellent handling.
Engine - Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing.
Engine - Large-capacity radiators with reinforcements ensure maximum cooling efficiency with great strength.
Engine - 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.
Engine - Lightweight exhaust system maximizes engine power and allows hassle-free replacement of oil filter.
Engine - Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light.
Engine - Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play.
Engine - Electric start ensures easy restarts.
Chassis/Suspension - 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.
Chassis/Suspension - Removable aluminum rear subframe is constructed of square-section tube for reduced weight.
Chassis/Suspension - Fully adjustable air/oil-separate 48mm cartridge-type fork delivers precise, fade-free handling; fork protectors provide excellent tube protection.
Chassis/Suspension - Tapered swingarm adopts YZ-style linkage for controlled, compliant rear suspension action. Lightweight axle and holders reduce weight in a critical area.
Chassis/Suspension - The KYB® shock provides 12.0 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.
Chassis/Suspension - 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.
Chassis/Suspension - Lightweight 21-inch front and 18-inch rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance.
Chassis/Suspension - Premium Dunlop® knobbies offer unbeatable, competition-spec traction and excellent wear.
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.
Additional Features - Slim-design lightweight fuel tank holds 2.1 gallons.
Additional Features - One-piece, high-strength, plastic skidplate shaves weight and offers great protection.
Additional Features - Lightweight, 35-watt headlight and sweet LED taillight maximize visibility and draw less current.
Additional Features - Adjustable front brake lever.
Additional Features - Ultra-wide footpegs for more comfort.
Additional Features - Repackable aluminum muffler shaves weight.
Additional Features - Front wheel collar makes front wheel removal quick and easy.
New for 2012 - New fuel injection system delivers quick throttle response and smooth power delivery at nearly all altitudes and temperatures.
New for 2012 - Compact YZ250F-based chassis provides a lightweight feeling with plush suspension performance for the most demanding rider.
New for 2012 - The new WR450F comes equipped with the latest generation KYB® SSS YZ-type fork and shock, dialed in for off-road use.
New for 2012 - New slim bodywork with updated headlight design gives the WR450F an aggressive, tough appearance.
New for 2012 - All this, including: tool-less access air box, Excel rims, 18" rear wheel, ProTaper® handlebars, wave-type brake rotors, electric start, on-the-fly clutch adjuster, and side stand. This machine is ready for tight trails, woods, or desert fun.
2012 Yamaha WR450F
- 449cc liquid-cooled DOHC 4-stroke; 5 titanium valves
- Bore x Stroke
- 95mm x 63.4mm
- Fuel Delivery
- Fuel Injection
- Fuel Capacity
- 2.1 gal
- Constant-mesh 5-speed; multiplate wet clutch
- Final Drive
- Chain Drive
- Suspension Front
- Inverted fork; fully adjustable
- Suspension Rear
- Single shock; fully adjustable, 12-in travel
- Brake Front
- Hydraulic single disc brake
- Brake Rear
- Hydraulic single disc brake
- 30 Day (Limited Factory Warranty)