Chainsaw Repair

So the service kit has arrived and I've been asked to source some starter pawls. I've found a supplier but the prices are cosmic! £5.72 each and £2.50 for each spring. Anyway while I'm there I thought I'd get your view on the drive sprocket to see if it needs replacing?
He's also had the oil pump apart and it was full of old saw dust which seems like a design flaw if the only way to clean it is to remove the clutch etc.


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