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  1. Maintenance
    Hey everyone! I have a 2018 YFZ450R SE that I bought brand new in 2018. It has a full FMF with Power Bomb head pipe, FCI Intake, and a Power Commander V. It has been giving me some serious issues the last few times at the track. Basically at Mid to higher RPMs the Engine breaks up and cuts...
  2. YFZ450 & YFZ450R General Talk
    hey all, i recently bought a YFZ468 thats running terrible, valves are in spec. Im at sea level and around 50°F. just wondering what you guys are running for jetting.. no airbox lid, k&n filter, hmf slipon
  3. Maintenance
    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
  4. 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!
  5. Maintenance
    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...
  6. Maintenance
    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?
  7. 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 !
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