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  1. 2005 YFZ 450 breaking up at constant throttle

    I have a race bike that has a yoshi tri oval exhaust and a 4.5 inch intake with no lid for some reason it has been breaking up whenever you hold the throttle at a constant rpm, I have a video that I can text to someone if anyone is willing to help, thank you! 740-319-6280
  2. New YFZ owner!

    New Member Intros
    Hey, guys I just bought a 2008 yfz450se and I'm mainly doing trail riding with buddies. I have a couple of mods that are simple I just have to rebuild the carb, change oil and buy an air filter. I saved up over the years so any mods or ideas budget-friendly would be greatly appreciated!
  3. Blown up right after i bought it.

    Hello yfz community! I'm brand spankin new to the awesomeness of the yfz. I bought a 2006 yrs 450 1 week ago and fell in love. On about my 3rd ride out she lost compression. I wont give up on this beautiful beast I normally ride 2 smoker dirt bikes but I love this yfz. I dont want to pay a...
  4. 2016 YFZ died and won’t start?

    My 2016 YFZ died while riding, I had been riding it all day and sometimes when I’m the throttle it would sputter a little bit but wasn’t bad enough that I thought anything of it. I was heading home on the thing and it just died on me and now won’t turn over?
  5. YFZ 450 CARB (zip tie mod)

    YFZ Powertrain
    I was planning on doing the zip tie mod, rather with a wire though. I wasn’t sure the benefits of this mod, only that it prevents a little bog. My yfz has little to no issues with bog. Is there any other benefits to this mod and should I even do it? Thank you !