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Kawasaki MX & Off-Road Dirt Bikes
fouling plugs on KX80
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[QUOTE="FruDaddy, post: 959344, member: 63076"] I know you asked pilot, but I'll answer part of it. Our 65 was running rich, fouling plugs, and dripping oil out of the pipe. We also run 40:1 ratio. I went down one factory size (which is 2 Mikuni sizes) on the main jet and the problem seems to be fixed. The stock jet was a 190, I installed a 180. I am not really familiar with Keihin carbs, but the principles are the same. To change the main jet, you ned to remove the carb, you might be able to get away with leaving the throttle cable attached. Remove the 4 screws on the bottom of the carb. These are often extremely difficult, using a properly fitted screwdriver and applying a generous amount of pressure to the screwdriver will help. The bowl should then come off, if it doesn't, tap the sides of it with the blunt end of the screwdriver to break it loose, NEVER PRY it off. The main jet should be locate at the center. It will have either a hex shape head or a round head with a slot cut in it, either way, it will have a hole throught it and the size will be stamped on it. If it is being riddin at WOT most of the time, you probably don't need to worry about the needle. There are detailed instructions on the net, you just have to search around. [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
fouling plugs on KX80
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