The new generation WR450F has been completely redesigned from the ground up, and gives you a whole new level of controllability for ultimate performance on all types of fast, slippery and technical terrain. Developed from the winning YZ450F powerplant, the WR450F’s latest generation reverse-head 450cc engine develops increased power thanks to the new high-efficiency intake port which benefits from a redesigned inlet tract giving a straighter path to the larger 39mm titanium intake valves.
As well as being lighter and slimmer than the previous model, this high-tech dry-sump 450cc engine also features a new forged piston, lightweight cylinder body, plain big end bearing and a new cam chain that are designed to handle the increased performance.
The WR450F’s new chassis is the same overall design as the latest generation YZ450F and features a number of dedicated technical changes to ensure its suitability for enduro racing and cross-country riding. The combination of a super-slim seamless bodywork and a flatter seat results in a revised rider triangle and ensures a quicker and easier body position shifting for the highest level of manoeuvrability and control – and the best-in-class KYB suspension is lowered by 10mm and runs revised settings for increased low-speed cornering performance and bike handling. Every aspect of the new WR450F is designed to give the rider a greater degree of controllability in varying conditions, and the new traction control system is another example of how this high-tech enduro machine has been designed to enable riders of all experience levels to achieve their full potential. Featuring two levels of assistance as well as an OFF function, this electronic control technology temporarily suppresses power using ignition control when rear wheel slip is detected.
The WR450F’s Power Tuner app is one of the most important developments in the field of rider control electronics. The renewed app now features a ‘Quick Tuning’ function that enables the rider to easily select any engine setting from ‘Smooth’ through to ‘Aggressive’ by tapping on a single scrollbar on their smartphone. It’s a simple and intuitive function that allows the rider to select different engine power character settings to match the conditions – and the new Lap Timer function enables riders and teams to see which settings are achieving the best performance.
The WR450F comes fully prepared for enduro and features a lightweight 18-inch rear wheel, enduro tyres, lighting, instruments, sidestand and a radiator fan. Fuel tank capacity is higher than the YZ450F at 7,4 litres, and there’s tool-less access to the airbox – while an engine guard and enduro muffler complete the enduro specification.
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