Yamaha changed the linkage ratio for 2025 on the YZ450F. Yamaha was looking to keep the rear up so basically the whole curve of the 2025 linkage ratio is stiffer and that is why Yamaha went down on their spring to a 5.6 N/m from a 5.8N/m spring on the 23/24 models. When Mark Johnson…
Yamaha
For 2025, we’ve had some updates on a few of the 450 MX’ers, Yamaha, KTM, Husqvarna, Gas Gas and Honda all have had some form of updates to their chassis and suspension specs. This means for 2025, baseline clicker settings have changed a little from the previous year. We make sure to spend some time…
When looking for steering stem spanner tools as well as a better way to grease your steering stem bearings look no further than Velocity Components, as they offer two tools that are more effective and are more efficient. How many times do you glove up to pack you steering stem bearings? I recommend it at…
If you’re a Yamaha YZ450F owner you know that your bike can be a handful at times. If it’s not a handful then you can disregard this test altogether. For me the YZ450F is one of the best bikes in the 450 class for 2025 but it still needs some work to be an easy…
Written/Tested By: Michael Allen
It had been some time since I lined up to race a National Hare and Hound (NHHA), but when Keefer brought up the idea that he and I should compete in the final round of the 2024 series it sounded fun. Initially I had no reservations and didn’t hesitate to saying that…
2025 Yamaha YZ450F Mods That Work
So are you tired of that spongey feeling stock Yamaha brake? Since I get to ride all the bikes, I would have to say that the Brembo system is one of the best feeling brakes out of all the MX machines. However, a little mix and matching can get you a more linear feel than…
It has been about a year since I raced motocross when I heard rumblings of Matthes and Keefer racing the Glen Helen Vet Nationals in early November. If you know Kris, it only takes about one phone call that can involve some verbal motivation and next thing I knew I was on the Glen Helen…