Motocross thrills. Enduro versatility. For 2024 the new WR450F bene ts from the very latest engine and chassis technology from the race winning YZ450F. The combination of a stronger engine and redesigned lightweight chassis with compact bodywork make this the best-ever 450cc Yamaha enduro bike with the highest degree of controllability in a wide range of situations. Its new lightweight aluminium chassis gives a lower center of gravity that ensures more agile handling and faster cornering – giving you the advantage in all conditions. The revised rider triangle means that you can shift your body position more easily to maintain peak control – and the bestin-class KYB suspension comes with different settings for better terrain following and increased traction.
The WR450F’s Power Tuner app is one of the most important developments in the eld of rider control electronics. And Yamaha’s designers have developed a renewed Power Tuner system for the new model – making it easier and quicker for you to adjust engine power character to match the terrain, weather and riding style. Motocross thrills. Enduro versatility. The all-new WR450F gives you a whole new level of controllability for ultimate performance on all types of fast, slippery and technical terrain. Equipped with Yamaha’s potent next generation 450cc engine and running with a compact new aluminium chassis – both developed directly from the latest MXGP racewinning YZ450F – the all-new WR450F puts you in charge. Producing higher levels of strong and linear power, the newly developed 450cc reverse-head engine is lighter and faster than ever. The enduro-speci c ECU and 5-speed wide ratio transmission deliver increased performance and traction over a wide speed range. Equipped with an all-new aluminium chassis, the WR450F feels more compact and agile than ever. Superslim seamless bodywork and a atter seat make weight shifting quicker and easier for the highest level of manoeuverability – and the best-in-class KYB suspension is lowered by 10mm and runs revised settings for increased low speed cornering performance.
Next generation YZ450F-based engine Sometimes there’s no substitute for power. The lighter next generation 450cc 4-stroke reverse-head engine is the strongest and most advanced design ever used on a Yamaha enduro bike. Its frontfacing inlet, rear slanted cylinder help to deliver more power at all rpm, giving you con dence that you can leave the opposition behind. Higher e ciency air intake The unique design of the WR450F’s front facing air intake enables the 450cc engine to run at peak e ciency at all rpm. A straight intake port runs directly to the 39mm inlet valves, giving instant throttle response for immediate acceleration when you need it. Enduro speci c disc spring clutch To handle the increased power of the new generation 450cc engine Yamaha’s engineers have developed a durable and compact one-piece steel clutch with a disc spring that minimizes engine weight and keeps engine width to a minimum. Featuring an optimized enduro-speci c design, this durable new clutch gives a light pull with plenty of feel – and is designed to handle the extreme conditions of enduro riding. Lightweight wide ratio 5-speed transmission To match the most challenging enduro conditions, the WR450F runs with a specially designed 5-speed wide ratio gearbox. Featuring gears with increased strength this durable transmission is ideal for both technical as well as high speed sections. Compact new aluminium chassis The WR450F’s new aluminium chassis is developed from the latest YZ450F that has an outstanding race winning record in MXGP and Supercross. The rigidity of the dual tank rails is optimized to give a controlled level of ex for improved shock absorption. And the WR450F is equipped with enduro-speci c engine mounts that give revised chassis rigidity for improved feel and feedback. Slimmer and more compact bodywork Yamaha’s design team has completely redesigned the bodywork, making the new WR450F look and feel more compact than ever. The shrouds are 50mm narrower, and the bike’s mid-section is also much slimmer – and together with the atter seat this new bodywork provides improved rider mobility. Newly designed fenders and side panels give an all-new look as well as underlining the bike’s ultra-compact and agile feel.
Engine Engine type 4-valves;4-stroke;Liquid-cooled;DOHC;Single cylinder Displacement 450cc Bore x stroke 97.0 × 60.8mm Compression ratio 13,0 : 1 Lubrication system Wet sump Clutch type Wet;Multiple Disc Ignition system TCI Starter system Electric Transmission system 5-speed;Constant Mesh Final transmission Chain Fuel system Fuel Injection Chassis Frame Semi double cradle Front suspension system KYB® fork, fully adjustable inverted twin chamber with speed sensitive travel Front travel 300mm Rear suspension system (Link type suspension);Swingarm Rear travel 306mm Front brake Hydraulic single disc, Ø 270mm Rear brake Hydraulic single disc, Ø 240mm Front tyre 90/90-21 54R Tube type Rear tyre 140/80-18 70R Tube type Caster angle 26º Trail 109mm Dimensions Overall length 2170mm Overall width 825 mm Overall height 1,265 mm Seat height 955mm Wheel base 1.470mm Minimum ground clearance 330 mm Wet weight (including full oil and fuel tank) 117 kg Fuel tank capacity 7.4 L Oil tank capacity 1.2 L
