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Canadian Daves JustKDX
Hi everyone. I have some questions.
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[QUOTE="HareNHound, post: 640861, member: 39976"] Hello, My name is John and I ride harescrambles in the midwest area. I have been working on a project bike for a friend. He purchased a 1999 KDX 220 from a local rider. When we rode the bike we noticed that it was way off as far a jetting. "On pipe" was a long way and a lot of work away. The bike had a lot of nickel and dime problems, however it was for sale for the right price. I started by disasembling the top end. I disassembled and cleaned throughly the kips power valve unit. The kawasaki unit is remarkably complex in it's operation. So put the power valve back together and dropped the cylinder back on the bike. I put a new piston, wrist pin, and compression rings in the bike. This way at least I know it is not mecanical. So on to jetting. My friend purchased a new FMF rev pipe mated to a pro circuit canister. The jetting I started with #150 Main #48 pilot. Needle Jet Position #6 from the bottom. Way too rich. Air Screw out way too far. Changed to #145 main on clip 3 from bottom 48 pilot air screw out way too far. Better still way too rich up top Droped needle to position #6 in the #145 main jet. Ok getting close here. Is hitting pipe now, however if you put around for a while you have to wait a few seconds for it to come on pipe. If you ride it around on pipe runs great. Only question here, the bike does this wierd thing on decel where it kind of wants to go ping......ping.....ping...... Is this because it is getting too much fuel through the pilot? Jetting recomendations on Just KDX web site say#150 main jet. Just would like opinions. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Hi everyone. I have some questions.
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