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Keihin KS2 carburetor , float level - Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: 1965 buick skylark float level ajustment for 4.9l carburetor

The float level and float drop are both measured with the gasket in place. Having said that, here are the following measurements.

Float level is measured between the edge of the float seam and the formerly mentioned gasket. This measurement is 1/2" on a 2 bbl. and 1 21/64" on a 4 bbl. for the primary and 1 3/8" on the secondary.

The float drop is measured from the bottom edge of the float as it's hanging from the pivot, to the gasket.

The 2 bbl. is 1 29/32" and the 4 bbl. is 1 19/32" on the primary and 1 3/16" on the secondary.

These measurements and instructions come from a 1965 Chilton Auto Repair Manual as that's the only reference I have.

Hope this helps.

Posted on May 31, 2015

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Hello Johnnie Thomas,

If GASOLINE is allowed to STAND it can VARNISH things together!

Either you have a stuck (or obstructed) valve seat...
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The float level and float drop are both measured with the gasket in place. Having said that, here are the following measurements.

Float level is measured between the edge of the float seam and the formerly mentioned gasket. This measurement is 1/2" on a 2 bbl. and 1 21/64" on a 4 bbl. for the primary and 1 3/8" on the secondary.

The float drop is measured from the bottom edge of the float as it's hanging from the pivot, to the gasket.

The 2 bbl. is 1 29/32" and the 4 bbl. is 1 19/32" on the primary and 1 3/16" on the secondary.

These measurements and instructions come from a 1965 Chilton Auto Repair Manual as that's the only reference I have.

Hope this helps.

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