One other thing I discovered with my new Johsered; the EPA strikes again. They now have the manufacturers getting designing the saw to cold start at a very high rpm. It eventually idles down, but not before smoking the clutch (with the brake engaged). My whole life I viewed starting a chainsaw with the brake engaged as a safety measure. This new generation of saws changed that. The cold idle is high enough to overheat the brake clutch to the point of smoking. So I now necessarily start the saw with the brake off.

Not sure, but leads me to think that there may be a relationship between engaging the brake on a cold saw - and the cylinder damage described.

//greg//

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