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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
1999 rm 125 carb issues
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[QUOTE="2-Strokes 4-ever, post: 1249085, member: 58946"] Even though you switched to 40:1, you've actually created a richer BURNABLE mixture. But that's not the issue. Choose a ratio and stick with it... (I'd go 32:1 on a 125.) Bikes are usually jetted really rich from the factory, I know our RM's have been. You may want to drop the pilot and main a size or two..... leaning the needle one clip may make a huge improvement. Fuel overflowing from the bowl is most likely a needle and seat issue (under where float pivots)... sounds like you got that solved with the cleaning...? [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
1999 rm 125 carb issues
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