How to Remove 912 Carb Heater

Heat gun??

Tried it...didn't work.

May have to apply more heat or heat for longer.

Could also try several heat/chill cycles - risk of causing a crack?

Normally these are bonded to the carb socket with a Loctite sealant, in that case the heat gun will work.  You however must get the part up to at least 400 F or 200C for the Loctite to release.  if however they used an epoxy you have a problem.  Here is what the Loctite site says about that.

How to remove epoxy from non-porous hard surfaces like metal:

1. The solvent you will want is a chemical adhesive remover, as these hard surfaces won't soak up acetone-like substances.
2. Make sure to wear a mask, safety glasses, and gloves when working with a chemical solvent. The area needs to be well-ventilated.
3. Typically, adhesive removers are sprayed on or dispensed using a rag.
4. Chip away the epoxy with a scraping tool. Do not scrape towards yourself.

In the case of an epoxy it is going to be a struggle. 

Good luck.

Cheers

Thanks. It's probably the Loctite I see. It's a greenish maybe a hint of brownish color. I was just guessing that it was epoxy. Any idea which "Loctite" it was?