Ms390 chainsaw part id?

Desertfox

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Can anyone id this hose? I think fieline but it looks bery different in the diagrams. Thanks
 

dougand3

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It's shaped like a fuel line but looks awfully short. More like an MS180 fuel line. The impulse line will be straight. The oil line is a 90* L.
 

bertsmobile1

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If the white thing is a check valve then it is the breather tube.
If so the saw will not work if the tube is split
 

ILENGINE

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