Key Features:

* 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.

Engine Type 4-Stroke, 1-Cyliinder, DOHC, Water-Cooled
Displacement 449 cc
Bore & Stroke 96.0 x 62.1 mm
Compression Ratio 12.0:1
Cooling Liquid
Carburetor Keihin FCR40
Ignition Digital AC-CDI
Starting Electric, with primary kick backup
Transmission Wide-ratio five-speed
Final Drive Sealed chain
Frame Semi Double Cradle
Rake/Trail 27.1"2/4.6 in.
Lubrication System Forced, semi-dry sump
Front Tire Size 80/100-21
Rear Tire Size 110/100-18
Front Suspension / wheel travel Telescopic Upside Down Fork / 12.0 in.
Rear Suspension / wheel travel New Uni-Trak Swingarm / 12.4 in.
Wheelbase 58.3 in.
Front Brake Type 225 mm Singel Disc
Rear Brake Type 215 mm Single Disc
Fuel Tank Capacity 2.11 gal.
Ground Clearance 12.6 in.
Seat Height 37.0 in.
Dry Weight 253.5 lb.
Overall Length 85.8 in.
Overall Width 32.3 in.
Overall Height 49.4 in.
Color Lime Green
Warranty 6 months
Good TimesTM Protection Plan 12, 24 or 36 months

After winning every Baja race it's entered, the CRF450X has established its racing cred-and then some. Hands down, it???s the best big-bore trail bike ever built. And this year, it gets even better, with fine-tuning that includes a new Honda Progressive Steering Damper, chassis upgrades, and a slimmer fuel tank. Call it perfection, improved.