Test and previews Fri 22 September 2017

YAMAHA INTRODUCES 2018 WR250F & WR450F Powering you into the victorYZone

Yamaha are powering into the 2018 season with the latest WR250F and WR450F, two of the world's most innovative and successful enduro bikes with a distinguished track record in EnduroGP and Enduro 2. Benefittingfrom some of the most advanced GP-developed engine and chassis technology, the WR250F and WR450F have the potential to take every rider into the victorYZone.The WR-F's unique reverse cylinder head layout features a front facing inletand rear exiting exhaust that increase intake and exhaust efficiency, therebyenhancing the engine's linear torque feeling. This innovative design deliversdeep reserves of highly controllable and easy-to-use power, giving Yamaha WR450F and WR250F riders a real performance advantage.
The WR-F's mass centralized design delivers high levels of agility for precise control over all types of terrain - and the advanced aluminium chassis with itsclass-leading suspension gives excellent handling performance and tractionover rock, sand, grass, dirt and mud.
With class-leading durability and legendary Yamaha reliability as standard, the 2018 Yamaha WR450F and WR250F give you winning performance combined with a thrilling ride on any type of terrain.

2018 WR250F & WR450F
Developed using our extensive EnduroGP and rally experience, the 2018 Yamaha WR-F models are supplied ready to win straight from the crate. Boththe WR250F and WR450F benefit from the latest Yamaha reverse cylinderhead technology thafeatures a straight inlet for instant response with strong linear torque. The switch-free electric starter gets you going quickly and easily - very handy when you're on the side of a hill or in a deep bog - and the enduro-specification radiators come with a lightweight cooling fan thatregulates engine temperature even in severe conditions.
WR-F specific features include a wide-ratio transmission - 5-speed on the WR450F and 6-speed on the WR250F - as well as a mass-centralized design with an easy-access top mounted air filter. Both WR-F models also feature an optimised clutch, sealed O-ring chain, 18-inch rear wheel, 7.5 litre fuel tank, side stand and skid plate for ultimate enduro performance.
The list of standard features also includes a bright headlight and LED taillight, and the multi-function LCD enduro race computer gives you the information you need to ensure you stay on time.


WR250F: NewFeatures
Newly designed cylinder head
Lightweight flat top piston with DLC coating Intake and exhaust camshaftsand valve springs Shortened intake funnel
Redeveloped YZ250F-based aluminum frame Optimised suspensionsettings
Additional side cover
New graphics and blue rims

WR450F: NewFeatures
New ECU and engine maps Optimised suspension settings Additional side cover
New graphics and blue rims

WR250F & WR450F Technical Highlights
Powerful, compact and controllable 450cc / 250cc 4-stroke Potent fuelinjected engine with linear torque
Reverse cylinder head with front facingintake
Aluminum beam frame with optimised rigidity
Wide ratio transmission (WR250F 6-speed; WR450F 5-speed) Durableenduro clutch
Switch-free electric starter and auto-decompressor Convenientoptional Power Tuner for easy tuning.
Mass centralized design for agile handling
Top mounted quickly removableair filter and underseat fuel tank High-specification suspension systems
18-inch rear wheel and Metzeler 6 Days FIM / Extreme tyres Enduro-specradiators with lightweight cooling fan.

The 2018 WR250F and WR450F will be available at Yamaha dealers startingin October 2017. Please contact your national press officer for more detailedinformation and the local retail price.

Yamaha Genuine Accessories
Yamaha offer a wide range of Genuine Accessories that is continuallyevolving to meet the needs of our customers. The latest line up includesGYTR performance parts, slip-on mufflers and service items, as well asexclusive bolt on accessories that enable every rider to personalize their bike.

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