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  1. Quad Projects
    Hey everyone! I have a 2005 model yfz450. I opened up the inside to change the crankshaft. My connecting rod was snapped. And found all these medicine tablet looking metal pieces inside. Not sure where they’re from? What do you guys think? All the bearings seem to be good.. And about the right...
  2. Parts
    In need of parts for 05 yfz 450
  3. YFZ450 & YFZ450R General Talk
    Whats up everyone i got a 2017 yamaha yfz450r se, the problem with my atv is sometimes when i turn it on its at a high idle and i ride but when i give it gas and let go it gets stuck for a couple seconds than it continues to idle at a high rpm, sometimes i turn it off and turn it back on and it...
  4. Maintenance
    Hey there, So i just bought a 2004 yfz 450. When i bought it itook it for a test drive and it ran great. So the next day i go out to ride it and it starts right up. So i try to ride i rode for 1 min and the i stalled it out. It was cold (-20) and i think the engine cooled down and i couldent...
  5. Wanted
  6. Body
    hi im new in this forum, Im looking to see if someone have the templates for the stickers for the 2007 YFZ thanks [email protected]
  7. Maintenance
    Hello everyone, So I am finding the throttle on my 2009 YFZ450 Carburettor to be stiff. I have removed the spring from the throttle assembly but I feel its still stiff , especially when compared to my friends YFZ450R (also 2009 but EFI). I was hoping to know if it would be possible to swap my...
  8. 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
  9. YFZ450 & YFZ450R General Talk
    Hi everyone this is my first post on any forum ever lol. I’ve been reading forums for a long time, just haven’t ever posted... Any input on my new bike build would be much appreciated! I am going to pick up a 2008 raptor 250 se (orange edition) today and want to trick this thing out!!! The...
  10. 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
  11. 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!
  12. Maintenance
    Hey there I'm new to this community and actually just bought my first quad last week, so any advice would be much appreciated! I just came back from a dune trip to the Sand Lake Dunes in Oregon and purchased a 2006 YFZ 450 (bill ballance edition) just so that I could ride with my friends and...
  13. Maintenance
    Headlights won’t work. Replaced the bulbs and battery for the quad. Took the headlight and used some wire and connected it to the battery directly and it turns on. Power to where the headlight wires connect to the wiring harness. Know switch works because I hooked it up to my voltage meter and...
  14. Maintenance
    So i’ve been having an issue with my 2008 yfz450, i’ve been running super lean as to where I backfire any time I shift or let off the gas or really anything.. sometimes shoot flames. Right now I have a full jdjetting setup with a 175 main jet (the biggest that JDJetting has) and I think that’s...
  15. YFZ450 & YFZ450R General Talk
    What sprocket combo should I use for the 1/8 in sand? At Silver lake dunes with 22X11 ITP sand paddles stock swingarm I wanna try 2nd gear launch Yfz450
  16. Parts Reviews
    Looking to replace piston etc etc and valve seals, burning oil. Should I go oem w/ piston or? Lmk ASAP thanks!!