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Canadian Daves JustKDX
Float height measurement question
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[QUOTE="canyncarvr, post: 538857, member: 16552"] re: '...(when carb is upside down)' Used to be standard practice to turn a carb upside down to check/measure/change float level. That was before 'they' (the proverbial THEY) started using spring pins in the needle. If you turn the kdx (pwk) carb upside down to check the float level....you'll be off a good bit. Your fuel level will end up TOO low if you don't take the pin into account. Yeah....it won't pee anymore. A/F mixture will be considerably leaner, too. Seeing as most kdxs are way to rich to start with, that alone may not be a bad thing.....but it's certainly not the way to fix an A/F mixture problem. You'll find yourself on the dunes at the coast one day with a piston glued to the cylinder! Check CDave's site. He used to (I haven't checked recently) have a write up on a level checking device. Similar to what smb mentions. You can use the float mold lines on the 'H' model kdx. Parallax is avoidable by keeping your line of sight perpendicular to the float body at the mold line. Sounds more complicated than it is. Same procedure you use to measure anything.....you can't be lookin' sidewise at it! I changed my '00 200 to 17mm for the express purpose of carburetal continence. It works fine 98% of the time. The other 2% is when the bike is so wonky on the stand that no reasonable float adjustment would matter. If you didn't take the spring pin into account (this all brought on the the 'holding upside down' comment), you should recheck your float level. The measurement is taken as the float [b]just touches[/b] the pin...[b]not[/b] with the spring at all depressed. BTW...the reason the floats were out of whack in the first place is likely due to less than required care used when replacing the fuel bowl. It's easy to tweak the float if you're not careful. The bowl needs to 'swing' onto the body of the carb......kind'a like it's loosely hinged on the intake side. Cheers! [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Float height measurement question
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