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  1. J

    Alpha One Gen 2 Upper Driven Shaft Oil seal 66302

    Nevermind...isn't that always the case. As soon as I posted, did a different search on the actual part number and found a couple of threads on the issue, and my answer. Dubs answered it below. With the upper half upside down, the taper goes down (eventually up) and that corresponds to the...
  2. J

    Alpha One Gen 2 Upper Driven Shaft Oil seal 66302

    I have been hunting around this and other forums, and only found one thread that discusses the issue, but isn't clear on the question I have. I have: 99 Sea Ray Sundeck 210, 5.0, Alpha One Gen 2 Mercruiser Outdrive. SN is Hard to read 0L714621 I think I had oil leaking into the bellows...
  3. J

    Need Advice on Towing Performance

    Sounds like your issue is getting on plane, and weigh distribution is huge on pulling and getting to plane. The boat will pull out of the hole and plane quicker when it is weighted a bit heavier at the front. Not enough to push the bow under the water or other wakes/waves, but enough to keep...
  4. J

    2000 Alpha One Gen 2, U-Joint Knocking

    As a follow up to close this thread...it turns out that Chinese cheap gimbal bearings are just that...cheap junk. I pulled it out and couldn't even get it to swivel using an alignment tool with the bearing in a vice. I suspect that forces all the drive line angles to be taken up by the...
  5. J

    2000 Alpha One Gen 2, U-Joint Knocking

    There was no water in the bellows, bellows looked good. After the first incident of knocking, I replaced them. No noise at initial install, but knocking after short high rpm run with turns. Found a gimbal O-ring went missing, replaced and reinstalled drive, same thing. Good at low RPM, bad...
  6. J

    2000 Alpha One Gen 2, U-Joint Knocking

    yep, alignment tool slides in easy, and straight, all the way in. measured it. even with light grease in the coupler at the time, clear spline mark visible on the tool end. As a side note, while the knocking wasn't there at low RPM initially, after putting load on during turns, it now knocks...
  7. J

    2000 Alpha One Gen 2, U-Joint Knocking

    Hi Guys, hoping maybe someone has had a similar issue and a bit of knowledge on my issue. The boat is a 2000 Sea Ray Sundeck 210 with a 5.0 Mercruiser. About 700 hours. It has an Alpha One Gen 2 outdrive. I had a low grinding noise, not super loud, but noticeable. Figured it was the gimbal...
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