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What are products that can be used, and which ones should be avoided, for cleaning the spark plug well and seat?

eg. brake cleaner, carb cleaner, throttle body cleaner, etc

Intention is to clean oily residues:

enter image description here

adatum
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1 Answers1

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You can use carb cleaner, brake cleaner, acetone, or possibly IPA (isopropyl alcohol). All of the should work peachy for cleaning your oil residue without causing issues for your engine.

Pᴀᴜʟsᴛᴇʀ2
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