It is indeed a J motor. Thanks for the input. Someone messed up badly
the current head trying to helicoil a cylinder, and it is ruined. I
can be rebuilt, but it is probably easier to put in a new head.

Thank you guys.

Cheers.

Carlos

2009/1/2 <kevinhog@...>:
> I have a cop bike head, looks like a J head
>
>
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