Chainsaw Repair

webpage: http://www.yamabiko-corp.co.jp/echo-global/?cat=787

chart of above info here: http://www.yamabiko-corp.co.jp/files/echo-global/products/ECHO/3_Specification/ECHO_CS_Specification.pdf

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Note 1:
ps = metric HP (This is not a legal measurement in the USA)

multiply ps by 0.9863201 to get HP.
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Note 2:
different countries have different versions of these saw models, power ratings vary as can be seen in the chart

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my us version of the cs-590 runs a .050 chain, fwiw



-joe