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| Re: ****HELP!**** A12 RUNNING LIKE A DOG |
Subject: Re: ****HELP!**** A12 RUNNING LIKE A DOG
by ddgonzal on 2017/11/26 7:15:17
Quote:noticed leaks around the top carburetor gasket and throttle plunger
Another cause of these leaks is a warped carburetor top (somewhat common on the Hitachi 306). When the top warps, the vacuum leaks from the power valve passage, causing it to run super-rich all the time. You can verify this by removing the top and inspecting
* make sure gasket is not torn by center hole
* put a straight edge on the top and look for warpage
* Ensure center plunger rod is not stuck (stuck down means rich)
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