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Everything Dirt Bike
General Dirt Bike
New to 4 stroke tuning
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<blockquote data-quote="YZcarver" data-source="post: 166001" data-attributes="member: 744"><p>Looking for a reasonably priced service manual now. Dealer wants $80. Never done any valve adjustments or checks. (Never had a thumper) Need a little guidance there, so that's where I am with this now, looking for a manual. Found one for an 06 online, but it doesn't give a worthy explanation of how to do this.</p><p></p><p>Yes, I found the fuel screw. It is on the front of the bowl, but inside stock. As you said, most drill through the spot covering access to it and replace it with the t-handle one from the GYTR kit or one from ZipTy. This one has been drilled. Access is through the bottom much like the jets. I'm satisfied lean jetting is not the major issue.</p><p></p><p>Another thought did cross my mind though. Possibly leaking head gasket pressurizing the water jacket and displacing water that would normally be doing it's job cooling. Not sure how to test that thought though.</p></blockquote><p></p>
[QUOTE="YZcarver, post: 166001, member: 744"] Looking for a reasonably priced service manual now. Dealer wants $80. Never done any valve adjustments or checks. (Never had a thumper) Need a little guidance there, so that's where I am with this now, looking for a manual. Found one for an 06 online, but it doesn't give a worthy explanation of how to do this. Yes, I found the fuel screw. It is on the front of the bowl, but inside stock. As you said, most drill through the spot covering access to it and replace it with the t-handle one from the GYTR kit or one from ZipTy. This one has been drilled. Access is through the bottom much like the jets. I'm satisfied lean jetting is not the major issue. Another thought did cross my mind though. Possibly leaking head gasket pressurizing the water jacket and displacing water that would normally be doing it's job cooling. Not sure how to test that thought though. [/QUOTE]
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