wrote in message
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I have a 40 year old Stihl chainsaw that is giving me fits.
It had not been used in probably 6 months or more.
Even back then, it was having problems, with not wanting
to start, stalling when going back to idle, etc.

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carb. Apparently if the crankcase seals are kaput, then
it may not get enough pressure/vacuum. I've inspected
the hose, it looks OK. With the sparkplug out and pulling
the starter, I can feel some suction, some puffing on the
end of that impulse hose with my finger. But not a lot.
Anyone know how much you should be able to feel?
Or have any other ideas?

http://www.youtube.com/watch?v=yf8alC0x9mY