Flywheel nut help

Evinrude 225 Flywheel nut wont break loose. It is right hand threaded isn’t it (left to loosen)? I have the flywheel held, and have a great 1/2 drive socket and breaker bar on it and even put a piece of pipe over the breaker bar for leverage and it won’t break loose. have hit the bar with hammer, etc.
Any ideas? I have done plenty of these but never had one I couldn’t get to move.
Motor runs fine but someone gave me a new stator, timing base and powerpack and I am going to replace all.
Thanks
Rick

its trying to tell you to dont fix it if it still works…Id try some deep creep from sea foam ,usually does the trick

I have PB Blaster soaking it now and I am going to borrow my buddy’s air impact gun tomorrow.

Impact should break it loose.

'06 Mckee Craft
184 Marathon
DF140 Suzuki

impact

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Got it off and glad I did. I found the bolts that go around the top bearing carrier (not sure what the correct name for it is)so loose that i could turn them by hand. I removed one at a time, cleaned them and put lock-tite on em. Also found two magnets loose under flywheel, will be epoxying them back on in the morning. This motor runs awesome, glad I found both these future problems.