![]() ![]() A completely redesigned air intake pathway, airbox, and filter allow for a narrower fuel tank, significantly slimmer front shrouds and a lower airbox cover. Yamaha says the result is a “better handling machine with lighter feel, improved bump absorption and increased traction, allowing the rider to enter corners with greater confidence and more line choices.”įinally, a new slimmer, flatter, and more compact body design lends a much lighter, more precise riding feel. The next major update to the 2023 YZ450F involves the completely redesigned aluminum bilateral beam frame, which consists of more than 10 different aluminum components welded together, providing the opportunity to carefully tune rigidity and flex characteristics of each component. The updated Launch Control System now features an rpm limiter that can be adjusted in 500 rpm increments between 6,000 rpm and 11,000 rpm for optimized launches when the gate drops. Both systems are controlled through the Yamaha Power Tuner App. Three levels can be selected: High, Low, or Off. The new Traction Control System communicates wheel slip to the ECU, tuning the engine to maintain ideal rear-wheel traction. ![]() Engine mapping can now be made using an intuitive new slide bar. There is also a new lap timer, Traction and Launch Control tuning, and bike set-up guides. Additionally, a new lightweight handlebar-mounted switch allows on-the-fly selection of preloaded engine maps. Cooler temperatures translate to longer service life and less chance for heat induced pedal fade.Providing riders with the opportunity to fine-tune engine performance to their liking, Yamaha’s Power Tuner App has been extensively revised for 2023, retaining the full functionality of the previous version but now even easier to use with more functionality. This multi-part piston design creates a highly efficient thermal barrier to further reduce heat transfer from the pads to the caliper body, seals, and fluid. The SL6/ST models feature Wilwood's exclusive Thermlock® pistons. ![]() Stainless is used for its slow heat transfer properties and high resistance to corrosion. The standard SL6 calipers feature one-piece stainless steel pistons. A fifth center bridge bolt provides even more overall strength and easy access to the pads without the need to remove the caliper from the mount.Ī unique six-piston differential bore configuration provides balanced loading for even pad wear in sustained high heat environments. Additional strength and resistance to deflection comes from the four high-strength steel end bridge bolts. When compared to open bridge calipers that use tube or stand spacers between the body halves, the closed end bridge design is measurably stronger with less separation or deflection under load. Full length stiffening ribs and a reinforced radial transition from the piston bore housings to the closed end bridges have produced the strongest Superlite caliper bodies ever built. Starting at 5.06, pounds it is the product of computer generated solid modeling and FEA stress analysis technology. The key to the superior performance of the SL6 comes from the extremely durable, efficient and lightweight body design.
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