"Apparently water cooled outboard oil can not take the heat in a chainsaw. " OB oil is TC-W3 rated these days: TC= 2 cycle (stroke) and W = watercraft. the 3 is just the 3rd iteration of the spec. I think you hit upon the problem being temperature as the CS is air cooled. Also I have started to run my newly purchased saw and weed whackers at 50% higher oil ratio than recommended even though I use the best CS oil I can buy.
Seems the single or double ring alum on alum WW and CS engines need more lube to keep the alum from wearing away, or I have been experiencing the above mentioned problem with storage, since they don't have cast iron liners for the cast iron rings. I do use 3 types of "snake oils" in the gas mix to assist in storage protection. Just last season I trashed the old after attempted ring replacements and other problems with the old and bought new. Course I had an ulterior motive: Easy starting options with the new and everything else was wearing out with the old too so why not upgrade.
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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