In article , Simon Avery
writes

Yes, but... No 2-stroke will die if you run it on 25/1 - some will if
you run them on 50/1. Also note that oil bottle markings are
notoriously unreliable and you've removed a whole lot of your safety
margin.

I know Jonsered, Husqvarna and others recommend their own-brand 50-1.
I've also known 2-stroke engines to sieze whilst using it at the
correct ratio. Hence I now use 25/1 exclusively.

YMMV

As for RTFM - if you're using another make you should be using 25/1...

You've convinced me! I'll add some more oil.
--
Roy Bailey
West Berkshire.