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The "Hole"

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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".

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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.

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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.

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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.

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