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  1. drexton311

    OMC Gimbal Bearing and Bellows Install

    I have been all over the internets and have not found exactly what I am looking for. I hope you can help. There seems to be a lot of info on the Alpha drives but not the Cobra drives. I have a 1988 OMC Cobra with Chevy 5.0 and 2bbl carb. Model# 502APRGDP I purchased the Sierra 18-2771 which...
  2. drexton311

    Is this a Fuel pump issue?

    I had a new issue raise its ugly head today and I am not 100% sure which way to go in trouble shooting it. Forgive the length of the post, do not want to leave anything out… In the AM I started the boat on muffs and let it warm up. It was a little tough to start, but once it fired up, it...
  3. drexton311

    OMC Power Steering Issues - Please Help

    Moved here for better visibility...How do I delete the other post? ​1988 OMC Chevy 5.0 with Cobra I/O I am chasing power steering issues and have not run across a post that is like what I am experiencing. Maybe a little help from the knowledgeable group please. All tests were done on muffs on...
  4. drexton311

    OMC Cobra Prop Selection Help

    So, I broke my prop this past weekend. Good timing as my motor is only running 3800 RPM at WOT and it was suggested on here to change the prop pitch. I currently have a 15 x 17 3 blade on my 1988 OMC Chevy 5.0 I/O. I have confirmed that the motor is running properly (is tuned, no issues) with...
  5. drexton311

    Replace Engine...

    So I am thinking about replacing what appears to be a worn out 305 V-8 in my 1988 OMC/Reinell 185 F. I love the boat and it sure is in good shape, the motor just appears to be a little under powered, possibly due to the 110-105 PSI pressure check on the cylinders. But before I make a firm...
  6. drexton311

    OMC Engine boggin issues...

    New member here and from what I have researched, I have not seen an issue exactly like mine. I hope all the experts here can help! I recently purchased my first boat, a 1987 Reinell 185. It has a Chevy 305 V-8, carbed, with an OMC Cobra drive. The boat runs like a champ and was well taken care...
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