FMF 4.1 RCT Muffler System For 2026 Yamaha YZ450F
Yamaha
If you had a 2024-2025 Yamaha YZ450F and then purchased a new 2026 YZ450F you may notice a little more engine braking with the new '26 bLU cRU machine. For me, it made the new Yamaha difficult to roll corners as it upset the chassis at times (once the suspension was broken in). Relaxing the…
Optional Yamaha YZ450F Flywheel Weights Tested
After every race I have a template and usually fill it out for my personal use for future testing. No matter what race this template helps guide me to improve upon any bike that I may be racing. Below is a raw look at what I used at the 2025 World Vet race as well…
http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/251027_keefer.mp3
We went racing with two bikes to do a little comparison to see which modified version of each bike was better. We will dive into the Triumph and Yamaha 450s to let you know which one could be right for you. We then make a call to Max Gerston to talk a little Endurocross. Is…
Race Tech Airboot For 2024-2026 YZ250F
The 2026 Yamaha YZ450F KYB suspension is firmer (in areas of the stroke) than the 2025 KYB set and of course with the frame changes Yamaha made for the new year, you can't just swap over your 2025 KYB stuff and expect it to work like it did on your older model. We went to…
If you're looking to try some optional Yamaha Power Tuner maps below are two we have tried so far that we like. The first map shown is blank but Travis Preston gave this to us for a little more low end excitement since the new '26 YZ450F is a little more plugged up than the…