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<blockquote data-quote="ossagp" data-source="post: 191996" data-attributes="member: 1650">if the float is indeed set to shutoff at 16mm and is still overflowing when leaned,&nbsp; then you need some parts.&nbsp; you can check to see if the float needle is indeed capable of shutting off the fuel flow buy holding the float at 16mm and blowing like you are exhaling through the fuel line.&nbsp; easier to do if you use a longer piece of hose so you can hold the carburetor body up at eye level.&nbsp; open and close the float valve and see what kinds of leaks you may be getting.&nbsp; keihins as they age will get leaks around the brass sleeve that the needle rides in as well as leaking at the needle.&nbsp; the over rich mixture will show up at the higher rpms and higher vibration levels encountered in the lower gears more. i run oil mixes from 20 to 1 down to 16 to one,&nbsp; and that has nothing to do with missing but will change a plug color.&nbsp; you learn to know what&nbsp; that looks like after awhile.</blockquote>

[QUOTE="ossagp, post: 191996, member: 1650"] if the float is indeed set to shutoff at 16mm and is still overflowing when leaned, then you need some parts. you can check to see if the float needle is indeed capable of shutting off the fuel flow buy holding the float at 16mm and blowing like you are exhaling through the fuel line. easier to do if you use a longer piece of hose so you can hold the carburetor body up at eye level. open and close the float valve and see what kinds of leaks you may be getting. keihins as they age will get leaks around the brass sleeve that the needle rides in as well as leaking at the needle. the over rich mixture will show up at the higher rpms and higher vibration levels encountered in the lower gears more. i run oil mixes from 20 to 1 down to 16 to one, and that has nothing to do with missing but will change a plug color. you learn to know what that looks like after awhile. [/QUOTE]

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