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I had a Mac 10-10 with a 36" bar I bought well used, for over 40 years, much of that time We heated with wood so used it regularly, the next ten a new Sthil Arborist 16 " blade used not so much now. Both started / start within three pulls, Always, (though some times four or five on a frozen day for the Mac).
I attributed it to not keeping gas in it when not in use by draining out the gas tank and running out the reservoir till dry after each use. I never needed more than a one gallon regular gas can 2 cycle mixed and Stabil. One gallon will last way longer than you 'll want to work. Its a rugged little metal can likely not approved any longer but not going any where. Late in life, and little use, the gas has lasted for years and still fires it up without any issue. I tried to guess the amount of fuel each time I used it to just put in a minimum amount to avoid throwing any out.
Every small engine I have received the same treatment except the lawn mower in season. Tiller, leaf blower, weed Wacker, generator, out board motor, and for a while, a chipper. All responded kindly when starting, I believe for the drain and run out reason.
Unless you are a logger, it should last many years if you Keep the unit clean, don't cut into dirt, make sure the chain has the correct deflection and the oil reservoir filled to keep the chain and bar cool and run it dry before wiping it down when you put it away. .
Oh, if you are cutting a lot of pitchy stuff like pine or wind stressed fir, a little pint bottle of turpentine or stove oil to clean the bar and shoe when wiping it down is nice to have.
I attributed it to not keeping gas in it when not in use by draining out the gas tank and running out the reservoir till dry after each use. I never needed more than a one gallon regular gas can 2 cycle mixed and Stabil. One gallon will last way longer than you 'll want to work. Its a rugged little metal can likely not approved any longer but not going any where. Late in life, and little use, the gas has lasted for years and still fires it up without any issue. I tried to guess the amount of fuel each time I used it to just put in a minimum amount to avoid throwing any out.
Every small engine I have received the same treatment except the lawn mower in season. Tiller, leaf blower, weed Wacker, generator, out board motor, and for a while, a chipper. All responded kindly when starting, I believe for the drain and run out reason.
Unless you are a logger, it should last many years if you Keep the unit clean, don't cut into dirt, make sure the chain has the correct deflection and the oil reservoir filled to keep the chain and bar cool and run it dry before wiping it down when you put it away. .
Oh, if you are cutting a lot of pitchy stuff like pine or wind stressed fir, a little pint bottle of turpentine or stove oil to clean the bar and shoe when wiping it down is nice to have.