Looks like the pitch on the full sized chainsaws is 3/8 and that is the 415 I think. The space I don't know about. I got an idea they are the same more or less. If that is the case I can just pick up a rear sprocket and should be good to go.

thanks for the info seize. So all the damage will be on the upper end. I was afraid of rod and bearing damage.

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