The "Hole"

What is the little hole in the right side of the engine just under the head? It is about 1-2'' behind where the exhaust meets the motor, on the top right side of the engine. I can see about 1'' into the motor if I look into it, not sure if I lost something (freeze plug, bolt, etc.) More specifically, it is under the allen head bolt underneath where it says "unicam".

That's the drain hole for the spark plug cavity.

Thanks much...That's what I love about this site- the quick replies to my questions! God knows I have a lot of them.

can also blow air into the hole to clear some junk before you pull the plug

Anyone ever have rust from the hole?

Anyone ever have rust from the hole?

dun dun dun,

nay.

supposed to plug it when spray washing...mine came with a tool that fits in there...but i lost it right away. Q-tip works or a pen.

That tool was for removing your needle.

Just curious as there are 7 CRF's in my circle, no one plugs anything when washing and one of them shows rust in the hole. Clean it and it re appears.

I am not too worried about it as it is not mine that is rusting.

That tool was for removing your needle.

Just curious as there are 7 CRF's in my circle, no one plugs anything when washing and one of them shows rust in the hole. Clean it and it re appears.

I am not too worried about it as it is not mine that is rusting.

Oh? Guess I need a new one then. Thanks.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now