Originally Posted by geoldr
Hmm usually kits come with a 415. Lots of people like to upgrade to a #41 chain. I did that, but then went back to the 415 because I couldn't get a chain breaker that would work with it. My motorcycle chain breaker for the 415 was too big, and a bicycle chain breaker broke. I found a #41 chain in my local lawnmower shop.
I might have ordered the 415 "heavy duty" which possibly accounts for some extra size - that might be part of the issue. Maybe a 415 standard duty is one other thing to try.