Gas leaking problem found

[oakley]

I need some help finding out what goes in this weird hole that I found underneath my exhaust pipe. I went to put gas into my chamber to test if I could get any combustion going and found gas coming out of the back of my rear cylinder. Any idea what goes here?!? and how to fix it?

[oakley]

**There is a similar hole on the front cylinder as well… no idea what they are for.

[Simon]

They are drain holes for the sparkplug tubes in the head.

[♠️ M77]

Correct Simon 👍

[Author]

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