Product description
Key Features
A YZ-bred advanced aluminum framecarefully engineered from castings, forgings and extrusionsenhances handling while retaining legendary Yamaha feel and characteristics.
Highly evolved five-titanium-valved engine starts with the push of a button.
Highly functional digital enduro computer offers speedometer, clock, tripmeter, etc., in basic modeor 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 Features
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.
Fuel injection system delivers quick throttle response and smooth power delivery at nearly all altitudes and temperatures.
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.
Digital TCI ignition system delivers precise spark and monitors engine speed to provide optimal timing for fast, strong response during hard acceleration.
Large-capacity radiators with reinforcements provide maximum cooling efficiency with great strength.
Wide-ratio five-speed transmission uses strengthened gears and YZ45
