The best way I have found is with heat.And lots of it.
I've used oxy-acetaline torches for this in the past.
I assume you have a bolt stuck?
1303 is red Loctite 1342 is blue Loctite 1360 is green Loctite
450 deg F for 10 minutes. - k.desilva@henkel.com
Yes, Loctite is a registered trademark of the Loctite Corporation.
Loctite was created in 1956.
Loctite, red, can buy at any auto parts store.
Loctite part number 3600017
An answer at forums.iboats.com/forum/engine-repair-and-maintenance/mercury-mariner-outboards says the equivalent of Loctite Type A is Loctite 290.
The Loctite Corporation is a company that produces adhesives, sealants and surface treatments. Loctite products are used both industrially and by hobbyists.
243 is used on oily surfaces that can't be cleaned.
Loctite 5 minute epoxy.
Loctite's MC-free chisel will work pretty well for you.
Loctite 404 bonds most everything..