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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
I'm confused
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[QUOTE="wake_rider, post: 1409341, member: 75633"] Your bike doesn't have a head gasket, rather two oversized o-rings and I've rarely had issues with these leaking without it being a warped head (probably not the issue). I had a similar issue with my 99 yz250. Ended up dropping a size on the pilot, leaving the needle at stock position and stock main jet. I actually had the bike running a bit more crisp with a step down on the main too, but recently I've been riding more mx than woods, so I've kept the larger main since I seem to never have issues with breaking up as my current setup. If you're having to let out your air screw more than 3 full turns, drop a size on your pilot. Stock setting is 1 1/2 turns out. Don't take the settings for my bike as being correct for yours. Jetting is trial and error. Believe me, I understand your frustration with changing jets on that bike, too. There is not much room to get to the carburetor, and I usually have to pull mine out in order to change the jets. Every other bike I have worked the jetting on before you could usually just twist the carb with the bowl towards you and not have to take it out of the intake boot and reed block; not the same with these generation yz250's! [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
I'm confused
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