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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
shaving kdx head
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[QUOTE="Sage, post: 88094, member: 22484"] Well like the last guy I could say take .040" off the sucker but if the last owner took of .020" then we will have a slight problem. first off here's some Q's that need to be answered: Is the top end fresh? Did you check the squish before you took it apart? What do you have for cylinder pressure with a fresh top end? What type of gas do you want to use ALL the time? How good are you at jetting? - The hotter you build it, the more it will be effected by the "cloud over the sun" deal. after getting the answers to these questions, then we can give you a answer on how much to cut, and that will vary from person to person, it's one of those "What oil is best questions". When my 220 was stock I took .038" off the head and .015" off the cylinder top and use 2 base gaskets to raise the ports up. when I was done the bike had 203 psi of cylinder pressure and I run it on 92 pump gas with redline at 45:1, it works very well. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
shaving kdx head
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