Search results

  1. A

    Mercruiser 470 runs rough after 15 Minutes

    I have a 1985 Searay with an I/O 470, mercruiser 2bbl (170). I installed a SEI 106 out drive about 20 hours ago, last November. The boat start and runs well cold or warm. It accelerates smoothly and idles just fine, shifting seems to working well. After about 15 to 20 minutes at cruising speed...
  2. A

    Mercruiser 470 Cam Seals 1985 Sea Ray Monaco 185

    This thread is an update of numerous threads, some more than ten years old with a wealth of information on replacing the cam seals in the veritable 470 engine, some of which may still be around. I added a little of my own insight and experience, but I owe a debt of thanks to all those posters...
  3. A

    470 Operators

    I’ve just finished replacing the cam seals on my 470. The project went fairly well using threads from this forum and the stern drive.com thread. I do have some additional insights though, I’d be happy to post my notes and pictures if anyone is interested. I know the 470 is getting pretty dated...
Top