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yz250

  1. Yamaha Dirtbikes
    Hi all Recently bought a a yz 250 not Shure of the year but it is the older say 99 shape with square rear fender not the pointy 1 if that makes sense, bike starts fine idles fine and runs grand when I give it full throttle but if I give it any less than full throttle it starts stuttering and...
  2. New Classifieds
    looking for a 2005 yz 250 2-stroke frame, i would really prefer a 2006 or newer but would accept a 2005. call/text 631 294 0994.thanks -rob
  3. New Classifieds
    Like the title says im looking for an 83-87 yz 250 engine (preferably an 83). Pm me with what you have and what you want for it thanks. Also looking for a 38mm carb for it.
  4. Motorcycles
    I have a 1985 yz250 with a 1983 yz 250 engine. i just rebuilt the hole engine. I am having ideling *and hard start problems. The bike has a small idle surge at times and it does not want to stay running all the time at idle. i adjust the idle and its ok for awhile then it changes again. the carb...
  5. Yamaha Dirtbikes
    I have a '90 YZ 250, and need a few parts to make it whole. I have an 85 motor that runs, however it needs a pipe, and a Power Valve cover. It is also missing the (rear) shock. Anyone have an old pipe? Shock? Does more than one year fit? I would assume anything from the era will fit, as the...
  6. Yamaha Dirtbikes
    Brand new to the site my brother told me I could find lots of help on here. I would have tried the search option but it says my account does not have permissions. Tore it apart to find out that it had been run lean and I need to find some help on parts. 1 There is a sleeve in it, can it be...
  7. Dirt Bikes
    I have a 89 yz250 and was just wondering if anybody knows if i could change the engine to something much bigger say a 450? if any body has any info or nows where to get it plz help!
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