Jun 1, 2021 · Hi everyone. I've got a new 2020 WR250F, Australian model, with competition kit fitted (throttle stop removed, larger exhaust outlet fitted, airbox mod, competition switchable …

Hello, I finally thought I’d ask the forum about it, I’ve been running my yz250f for awhile with this “throttle position sensor” unplugged as that’s how I bought it off my buddy and it’s ran fine. I’m …

This is a basic copy from the 450 forum but thought it would be useful to us. Please post your jetting specs. Sunruh, can you make this a sticky? Model (YZ or WR 250F): Timing (WR-YZ): …

All Activity Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles WR250F/YZ250F/YZ250FX YZ250F Oil reservoir pros and cons Facebook Twitter Youtube …

2008 YZ250F Stock jetting dies on throttle blip. Added and adjusted fuel screw, installed accell pump cover... no change. Manual gives no clear indication of which way jetting needs to go. …

All Activity Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles WR250F/YZ250F/YZ250FX Practical difference between 2025 WR250F and YZ250FX …

Jul 23, 2009 · I know my 2004 YZ250F head pipe tubing outer diameter is about 1.5" (38mm). I'm curious if that is the common size for all brands of 250F? And a 2003 YZ450 is about 1.75" …

All Activity Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles WR250F/YZ250F/YZ250FX High compression piston kit vs. Big bore kit Facebook Twitter …

what are you finding is the best sag setting, I am 175 lbs, and ride mx only, have it set at 97mm right now just wondered what others are finding what works best as this is my first 4 stroke, …