Chainsaw Repair

Bars come from the factory as .050", .058", or 063" gauge. To change this you have to buy another bar.

I know and understand what you are saying.
The bar is definitely a .050 gauge.
The chain is definitely a .050 gauge chain and moves easily in my other .050 gauge bars.
But it no longer spins freely in the .050 bar that I just took off the 371xp.
The same bar, the same chain that was used yesterday when the oiling problem was noticed.
The gauge of the bar seems to have significantly decreased due to the over heating of the chain/bar.
The tip is fine, spins good/easy with chain, but the channel in the bar is no longer .050.