carburetor air horn bolts size

1952 - 1968, M38A1, M170, questions, discussions, regarding anything related to the M38a1 series.
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ktm25089
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carburetor air horn bolts size

Post by ktm25089 » Sat May 19, 2018 3:31 pm

Hello,
please can anyone tell me the size of the 6 bolts on the airhorn of the carburetor?One thread stripped and need to buy thread repair kit.


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Re: carburetor air horn bolts size

Post by Joe Gopan » Sat May 19, 2018 4:28 pm

No. 10-32 NF X 9/16" Lomg
Willys 116892
Carter-101-160S
It is common to find the threads in the body for the two screws that hold the throttle wire bracket stripped due to over tightening.
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pajeff02
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Re: carburetor air horn bolts size

Post by pajeff02 » Sat Jul 28, 2018 1:55 am

^^Ditto. Had the bracket off to perform a valve adjustment and upon reassembly found that the driver side screw was stripped. Do they even make heli-coils that small?

KiwiMB
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Re: carburetor air horn bolts size

Post by KiwiMB » Sat Jul 28, 2018 9:11 pm

Yes, they make helicoils that size, ask me how I know :roll:

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pajeff02
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Re: carburetor air horn bolts size

Post by pajeff02 » Sun Jul 29, 2018 3:36 am

Good to know. We live in the sticks so chances are I will have to shop on-line for them. I do like the fact that the M38A1 technical manuals always seem to list the bolt and/or screw size.


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