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- A YZ-bred advanced aluminium frame—carefully engineered
from castings, forgings and extrusions—enhances handling
while retaining legendary Yamaha feel and characteristics.
- Now there’s even more controllable power flowing from
the five-titanium-valve, 11,000 rpm engine—and it 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.
- California green sticker compliant.
- 449cc liquid-cooled, DOHC four-stroke with titanium valves delivers
more broad power than ever, with high over-rev capacity and crisp,
linear throttle response.
- Changing the cylinder mounting angle to a more vertical position
in the new frame provides excellent overall machine balance.
- Revised camshafts, carburetion, intake ports, exhaust, etc.,
all work together to produce an engine with even more low- and
mid-range power.
- New crank with revised balance factor and new AC generator provides
super-smooth running. Strong new connecting rod and piston oil-jet
for increased cooling and long life.
- New, dry sump lubrication system carries the oil reservoir inside
the engine cases, for excellent mass centralization and simplified
plumbing.
- 39mm Keihin FCR flat-slide carburettor with throttle position
sensor (TPS) produces ultra-precise fuel/air mixing and lightning-quick
throttle response.
- New “no tools” airbox adopts hinge-type quick-open
lid. Battery rides 8mm lower than before for improved handling.
- Digital CDI ignition system delivers more precise spark and
monitors engine speed to ensure optimal timing for fast, strong
response during hard acceleration.
- New, bigger radiators with reinforcements ensure maximum cooling
efficiency with greater 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.
- Aluminium 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.
- All-new YZ-inspired aluminium frame helps reduce weight while
optimizing mass centralization. An extensively tested assembly
of aluminium forgings, castings and extrusions. The new WR frame
retains legendary Yamaha handling and response.
- Removable aluminium rear subframe constructed of square-section
tube for reduced weight.
- Fully adjustable air/oil-separate 48mm fork tubes deliver precise,
fade-free handling; fork protectors provide excellent tube coverage.
- Tapered swingarm adopts YZ-style linkage for controlled, compliant
rear suspension action. Revised axle and holders reduce weight
in a critical area.
- The Kayaba 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.
- New, wave disc brake rotors front and rear reduce unsprung weight
and provide excellent performance. Front and rear callipers with
aluminium pistons deliver strong stopping power with progressive
feel.
- Lightweight 21-inch front and 18-inch rear Excel rims provide
exceptional durability and help reduce unsprung weight for optimal
suspension performance.
- Premium Dunlops offer unbeatable, competition-spec traction
and excellent wear.
- Cool new YZ-derived bodywork, new engine covers and a thick
new seat look great and feel excellent on long rides.
- New ProTaper aluminium handlebar and new forged triple clamp
shaves weight and provides easier, lighter cornering.
- Slim design lightweight fuel tank holds 2.1 gallons.
- One-piece, high strength, plastic skid plate shaves weight and
offers great protection.
- Lightweight headlight and sweet LED taillight maximize visibility
and draw less current.
- Adjustable front brake lever.
- Wide footpegs are also lower for more comfort.
- Repackable aluminium muffler.
- Front wheel collar makes front wheel removal quick and easy.
Warranty: 90 days Manufacturers warranty
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