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Registered
Join Date: May 2010
Posts: 206
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carb banjo threads repair
Hello anyone know the size of a repair helicoil or timesert to repair the threads for the banjo bolt which threads into the top of a zenith carburator or if you have two I will buy them. The threads are bad in the top of the carb. Thanks, Steve
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08-21-2011, 07:12 AM
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Registered
Join Date: Jan 2009
Location: maryland
Posts: 271
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I believe it is 12X1.5. Make sure you drill deep enough (carefully--too far and you will hole through top) for helicoil tap (since it is tapered). Even then you might have to trim a coil or two. You have to make sure coil is not in too far on the tapered area so that banjo bolt will bind and not go in far enough. If it is in too far, simply grab the end of coil and pull out gently unwinding coil. restart with new coil.
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08-22-2011, 07:25 AM
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Thanks for your reply, however it is not a 12X1.5. I tryed that size a while back. Thanks, Steve
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08-25-2011, 01:47 AM
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Join Date: May 2006
Location: Tampa,FL
Posts: 134
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no access to a zenith, but the solex is 1/2 x 20. i believe this is npt. take the bolt to a home improvement or auto parts store and check it with the the thread gauge. it may be a npt rather than metric size.
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08-25-2011, 12:13 PM
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Join Date: May 2010
Posts: 206
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Ace is the place 12X1.25
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08-26-2011, 01:38 AM
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Join Date: May 2010
Posts: 206
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Well it took most of the day but I located the heil coil tools to do this job, but now I have them. did two zenith tops and they came out perfect. So if anyone out there has the same problem as I did send me you carb top and I will incert them for a deal, phone # at home is 423-326-1040 you can leave a message an I will get back to you or just email me at porsch3xx@aol.com Thanks, Steve
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09-03-2011, 05:41 AM
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