Stihl 500i fast idle and overheating bar and chain

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It is a Stihl bar rollomatic with gauge of 0.050. The saw came with a 0.063 gauge, but I run the 50s. Might that be the problem?
Put an .050 chain on the .063 bar and see what happens……just kidding. However I’ve been know to run brand new .050 in a .058 bar without any issues.
on the 32” it’s a none issue for me, I cut all hardwood in the winter and never had an issue with my tsumura bar.

there is another thread a newbie 500 owner just started about hot starts. I hit the purge a couple times when the saw is really hot to put a bit of cooler fuel in the injection before I hit the kill switch, seems to work for me.
the 500i injection is so new relative to the chainsaw that it just take a bit of time in the saddle to get used to how the saw operates.
 

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