Gaskets?

ixs

Cadet
Joined
Jun 8, 2008
Messages
17
Mercury 500 50hp/-76 2-stroke 4 cyl.

Hello
As seen on the pics, there is two holes on the carb. And they are just two holes. But one on the block. The green dot shows were the hole in the carb goes. So the grooves in the gasket seems meaningless.
The gasket on pic 3, shows the one with one hole.
What are the other holes on the carb for? Another engine type?

In the kit was the gaske for the fuelpump, the one marked on pic 3. There was two of them. On the carb was one. One was black of rubber, the oter was yellowish, made of something like siliconrubber. Should I use anyone?
I be happy of any answers
 

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