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  1. New Member Intros
    Hello, does anyone sell a cylinder head for a Yamahu YFZ450 2006?
  2. YFZ450 & YFZ450R General Talk
    Just got my quad back from being fixed, had a new wiring harness out on it started and then I took the spark plug out and put a new one in and wouldn’t turn on checked for spark and there was nothing. What should I try
  3. YFZ450 & YFZ450R General Talk
    I just bought a yfz450 I’m told it has 14.5 compression and he ran it on vp c45, I’m new to quads but read that c45 has a motor octane of 108. What other gas can I be using that’s common to find. Do I just need to find 108 octane gas or what will all work. I mostly just ride trails.Also it has a...
  4. YFZ450 & YFZ450R General Talk
    05 yfz electric start button only Worked when I put it in 1st gear and didn’t work in neutral now doesn’t work at all.please help!
  5. 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...
  6. Parts
    In need of parts for 05 yfz 450
  7. 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...
  8. 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...
  9. Wanted
    Looking for aftermarket parts for my 07 yfz450 CALL OR TEXT 7143505881 *NERF BARS *AFTERMARKET A ARMS & SHOCKS *REAR SKID PLATE STEEL OR BILLET *FRESH PLASTICS *AFTERMARKET AXLE TO FIT STOCK HOUSING *BEARING SET FOR SWAY HOUSING
  10. 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]
  11. 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...
  12. 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
  13. 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...
  14. 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
  15. 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!
  16. 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...
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