FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
Could anyone please tell me what the firing order is for me 1977 90hp Chrysler outboard. It is a three cyl, model # 907 hc. I have a backfiring issue through my exhaust when I start it. I think I have a plug wire crossed.