Any difference between Stihl MS250 and MS251?

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The pull start on my almost-new MS250 E2S started jamming, and when I pulled it apart to see what was going on the spring went "sproing". I re-installed the spring and it worked fine for about a week/40 starts then started making funny noises. On opening I found the spring had managed to pop out, hernia-style, between the pulley and the basket, and in the process gouged and abraded the flywheel. Figured I was in over my head at that point and took it to dealer who wanted $210 to fix, mostly for a new flywheel.

Since then it occured to me the flywheel wasn't all that damaged and the feeling here was that it would work OK so I have ordered a new spring and some other bits, for about $25, and will see how it flies when they arrive.

BTW my belief is that the spring got stressed and warped when it jumped out the first time, and was not happy when I forced it back in.

Franny K said:

Back to post 1 what got demolished to put you in this choice situation?
 

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