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Husqvarna 44 - General Questions and Advice


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OK, the piston is toast. There is a lot on this site about cleaning the transfer off cylinder bores.

It is usually a case of taking the cylinder off, clean the bore with brake cleaner and apply acid or alkali to eat the aluminium transfer off the bore. If you have a "Score" which is a line CUT through the cylinder plating then the cylinder is scrap. Most often, the transfer can be eaten away using chemical and then the oxide removed with wet and dry emery paper....200-400 grit is about right. I usually hone the bore after this but a good rub with a coarse grit paper will work - around the bore, not up and down. 

As others have said, you need to ensure the saw doesn't have an air leak or another issue as all your work could go south very quickly!

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