Wildguzzi.com
General Category => General Discussion => Topic started by: Vince in Milwaukee on June 10, 2019, 05:12:17 PM
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Looking for some help for a leaky carburetor on my LM3. Installed a new float needle and seat (this has fixed the problem in past years), but it still leaks gas, although not as badly. Tips / advice most appreciated as we've finally got some nice riding weather here in Wisconsin.
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Float height set properly?
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What Chuck said. I just had to replace 2 floats because they filled with gas.
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Over the years, I've had to renew the float bowl nut gasket a few times.
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Other places I have had leaks . 1: banjo fitting. The 6mm fiber washer can allow leakage if not replaced. I like to add a aluminum washer as well on the outside of the aforementioned washer , particularly on the left side carb where the access is more limited and the view not as good. 2. The bowl O ring even if this may be a no brainer to seasoned guzzisti. The recent ones I have come across seem to harden sooner due to ethanol fuel. Combined with a squished bowl nut washer, makes leakage more likely.
http://www.mgcycle.com/index.php?main_page=product_info&cPath=34&products_id=1500
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That pretty well covers it except for the fuel line. They tend to age right at the point where they attach. Snipping off a quarter or half an inch usually fixes.
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Check that the float is not hanging up on the pivot or its supports. I installed new plastic floats and one started to hang up after a few months. Trimming the edge of the float pivot solved it.