Date: March 14, 2008 at 08:56:44 From: Bob, [tx-71-53-80-60.dhcp.embarqhsd.net] Subject: Re: Rotax 670 conversion
No, I don't think I can be of much help other than to say that if your 618 has the same stroke as the 670, then it should work just fine. I think this is the picture Andreas is talking about.