"Juergen Hannappel"
wrote in message
...
"dean" writes:

Because every professional user I have ever seen is
using 10W30 engine
oil. Now I'm not about to put that into my Stihls but I
was just
wondering if I am wasting money on expensive bar oil?

The oil on the chain will be distributed in you
environment it's
totally unacceptable to use a non-biodegradable oil for
lubricating
the saw. The pro's you have seen obviously don't care a
dam about the
rest of the world and should be [insert punishment of
choice]...

what in the world makes you think oil is not biodegradable?