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Re: Re: Re: Re: Re: 2-cycle fuel mix
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Posted by Al English on June 24, 2002 at 05:33:46 from (68.40.50.27):
In Reply to: Re: Re: Re: Re: 2-cycle fuel mix posted by Ray,IN on June 23, 2002 at 20:56:15:
Hi Ray, Not to dismiss your misfortune, but one of my saws is a 26 year old Poulan. It has worked many hours using a 50:1 oil mixed at 50:1. I recently disassembled it to repair an air leak in the crankcase. Considering its age and amount of usage I was really surprised by how little it is worn. Beyond my personal experience I know others who use modern oils/mixture ratios in older equipment with no problem. And, my friend who has been repairing small engines for a very long time has seen hundreds(or maybe thousands) of older 2-cycle engines run on modern oils/mixture ratios with no problem. I can appreciate you frustration, but I think there’s something else going on. While I don’t consider myself a “hotshot”, here are a few possibilities: - Did you use a 50:1 oil, or just mix your existing oil at 50:1? - Are you sure you mixed the oil/gas correctly? 50:1 is 2.56 ounces of oil in a gallon. - Do you mix the oil/gas well before using it? I can't say this really matters, but to be safe I even agitate the fuel/oil mix in the can every time I refill the saw. If the saw hasn't been used in a while I also shake up the fuel in the tank before starting it. - Did you use a synthetic oil? Synthetic 2-cycle oils don’t lubricate as well as mineral oils. While synthetic does offer some advantages, I wouldn’t use it in a 2-cycle unless I had a definite reason for doing so. - A blue Homelite, how old is that saw? Is it so old it has one or more pain bearings(bushings) where a newer one would have all ball, needle, or roller bearings? If that's the case it is not a candidate for anything but a 16:1 oil mixture. - I noticed it has been pretty hot in your part of the country for the past few days. Any chance the saw simply overheated. Also, were the air inlet, fan, and cooling fins obstructed or dirty? - Was your carburetor set on the lean side? That’s always asking for trouble on small engines, especially when we are talking about a hard working 2-cycle on a hot day. - Were you cutting continuously? Many saws are not designed with a 100% duty cycle, meaning they must periodically rest/cool. This would be especially important in hot weather. To answer your question “what now”, if your saw did seize up, you’ll likely find that a replacement is cheaper than the cost for the parts to repair yours. And finally, what is a “rick”?...Good luck...Al English
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