Another stupid question, base gasket direction?

[MS290man]

Rebuilt my MS 441 and I think I put the base gasket in upside down. Just noticed in the manual that it said that the bump should go up and I think I put it in bump down. Should I tear it back down and put a new gasket in right side up? Or does it not matter?

And feel free to call me an idiot for not paying attention…

 

[peter92]

Rebuilt my MS 441 and I think I put the base gasket in upside down. Just noticed in the manual that it said that the bump should go up and I think I put it in bump down. Should I tear it back down and put a new gasket in right side up? Or does it not matter?

And feel free to call me an idiot for not paying attention…

i can see what the diff is as long as its done up tight

 

[cease232]

http://opeforum.com/threads/metal-base-gasket-orientation.5127/


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[cease232]

In that thread the bulletin states the opposite of your manual. I always put them bump up.


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[old 040]

I just re-did a top end on an 066, what I found on it was that the curved portion should face down, not sure if that holds true for all Stihl saws or not....