Posted by Butch(oh) on January 01, 2021 at 10:58:21 from (72.168.128.55):
In Reply to: Stihl chainsaws posted by Illinois Deere on January 01, 2021 at 10:12:12:
My experience is that the vast majority of saw problems blamed on the mix ratio or type of oil is actually not that at all but from running lean and it is very easy to tell. Remove the muffler and spark plug. Then run the piston down and look at the cylinder wall under the exhaust port, then look at the back side through the exhaust port. Then run the piston up slowly while looking at it from the exhaust port. If the piston and wall is heavily scored on the exhaust side but not the intake side wall is not then the saw was run lean. That being said current saws are tuned to the ragged edge for lean so they pass emissions and the slightest bit of varnish, dirt or old fuel puts them in melt down if run hard. I like to have the pile of money thrown away each year on chainsaws due solely to the use of old stale mix.
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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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