Will my chainsaw last longer if I use more oil? Is it safer? (25:1 VS 50:1 temperature testing)
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 Published On Jul 11, 2021

Hey Everyone!

Some say its a good idea to run more oil in your small engine to provide more lubrication to the piston and cylinder... and others say that excessive amounts of oil can cause a two stroke engine to run lean and over heat.

There has been a lot of debate around this topic... so I took it into my own hands to conduct a test to put this issue to rest. All temperatures mentioned are in degrees Celsius (C).

LET ME KNOW WHAT YOU THINK!!!!

With my Stihl MS260 and two different oil mixtures (25:1 and 50:1) I conducted a three part test to get to the bottom of this debate. This test would have the same results on any small two stroke engine, be it a trimmer, blower, chainsaw or others from Stihl, Echo, Husqvarna and more.

For me, I'll likely continue to mix my fuel at 45:1, just as my good buddy @donyboy73 has always suggested.

Thanks for watching!

-Dave

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