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-   -   What size hole? (https://www.offshoreonly.com/forums/do-yourself-boating-budget/360601-what-size-hole.html)

Scarab28 05-13-2019 08:36 AM

What size hole?
 
Ready to drill exhaust holes in new transom. What size holes do I need for 4.5" thru hull CMI tails?

Griff 05-13-2019 12:26 PM

4.75 then coat the inside of the hole with resin


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