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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Stock Main Jet
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[QUOTE="Mac, post: 97833, member: 18503"] [b]You have a 220[/b] The 220 carb is smaller and has different jets than the 200 carb. Going down to a 155 main from a 160 main is correct for a 200 or a 220 with a bored carb. With a stock 220 carb try the following as a starting point: Copied from [url]http://justkdx.dirtrider.net/[/url] 1997 to 2001 KDX220 Stock run a 42 pilot jet,the stock R1173L jet needle in the second from the top clip position, a 142/145 main jet and fine tune the pilot circuit using the air screw. With a performance pipe/expansion chamber, air box mods , the factory or after-market silencer and the stock 33mm carburetor run a 42 pilot, the stock R1173L jet needle in the second from the top clip position, a 145/148 main jet and fine tune the pilot circuit using the air screw. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Stock Main Jet
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