1997 F9.9 Yamaha:Need info on inlet manifold gasket

[dungbeetle46]

I took my carby off to give it an overhaul and when I removed the gasket I dropped it and its now at the bottom of the river, anyway I put the carby back on without gasket and it runs perfect.
My question is what is the point of the gasket as its a very thin metal type gasket and doesnt seem to make a difference.
Does it serve a purpose and should I replace it
Thanks

 

[99yam40]

Re: 1997 F9.9 Yamaha:Need info on inlet manifold gasket

by new and install.
Gasket helps seal mating surfaces and eliminate vacuum leaks

 

[dungbeetle46]

Re: 1997 F9.9 Yamaha:Need info on inlet manifold gasket

Ok thanks for that