Uploaded September 2026 | Updated September 2026, 4 days ago

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Sneezing through the intake of any Harley engine is generally the sign of a lean condition, but when it happens to an otherwise well running bike with no changes or modifications to account for it, you can be certain there's a leak between the carb and intake manifold.
On bikes built after 1988 with the CV40 carb, the unique press together mounting system is both universal and failure prone
Here's how to diagnose and repair this problem with about ten minutes of work and a sub ten dollar kit from Amazon.
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