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General Minitrail Talk
Tech Area
Valve clearance points and carb
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<blockquote data-quote="PoppaBear" data-source="post: 196094" data-attributes="member: 16804"><p>Marcus, the carbon buildup on your plug means you're running it rich. Here's some tips that work for me before chasing the carb tuning: Make sure your engine rebuild is not burning oil, and the rings/valves have seated properly first (compression test). Use the correct heat range spark plug. Have a good clean air filter and free flow into your carb. Now you can start tuning the carb as stated above (float levels, needle clip positions, jet sizes, etc). I have chased carb jetting, when it was a simple fix to replace the air filter.....</p></blockquote><p></p>
[QUOTE="PoppaBear, post: 196094, member: 16804"] Marcus, the carbon buildup on your plug means you're running it rich. Here's some tips that work for me before chasing the carb tuning: Make sure your engine rebuild is not burning oil, and the rings/valves have seated properly first (compression test). Use the correct heat range spark plug. Have a good clean air filter and free flow into your carb. Now you can start tuning the carb as stated above (float levels, needle clip positions, jet sizes, etc). I have chased carb jetting, when it was a simple fix to replace the air filter..... [/QUOTE]
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General Minitrail Talk
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Valve clearance points and carb
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