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  1. #1
    Join Date
    Feb 2013
    Posts
    1,760

    Default Outboard Power Tilt Question

    My 2011 Tohatsu 20 Hp has been great and has only done about 600 hours on a sailing catamaran and is just out of warranty. For a vatiety of reasons I have not used the boat for 18 months but managed to get away last week and the engine and power tilt was fine however I got a trailing rope bow mooring line around the prop that was attached to the bows and stopped the engine lifting as well as stopping the engine dead . It was because it would not lift I realised there was a boat line holding it down.Anyway I tried a few times to raise the engine and after I had cleared the prop fortunately without prop damage I noticed that there was a fine film of fluid on the top of where piston exits the hydraulic cylinder. I cleaned this fluid off off and used the engine for the rest of the week without any problems and no trace of any further fluid leaking.
    My question is whether trying to use the the power tilt when it was held down could have caused a temporary blow of fluid past the seal and now that all is free this was a one off or whether I should be concerned that the seal is failing.

  2. #2
    Join Date
    May 2001
    Location
    London/Antibes
    Posts
    21,919

    Default Re: Outboard Power Tilt Question

    Quote Originally Posted by C08 View Post
    My 2011 Tohatsu 20 Hp has been great and has only done about 600 hours on a sailing catamaran and is just out of warranty. For a vatiety of reasons I have not used the boat for 18 months but managed to get away last week and the engine and power tilt was fine however I got a trailing rope bow mooring line around the prop that was attached to the bows and stopped the engine lifting as well as stopping the engine dead . It was because it would not lift I realised there was a boat line holding it down.Anyway I tried a few times to raise the engine and after I had cleared the prop fortunately without prop damage I noticed that there was a fine film of fluid on the top of where piston exits the hydraulic cylinder. I cleaned this fluid off off and used the engine for the rest of the week without any problems and no trace of any further fluid leaking.
    My question is whether trying to use the the power tilt when it was held down could have caused a temporary blow of fluid past the seal and now that all is free this was a one off or whether I should be concerned that the seal is failing.
    in general I wd be worried about a seal failure. Most hydraulics have a pressure relief valve that lets go before anything else (whether a seal or mechanical part)

  3. #3
    Join Date
    Mar 2004
    Posts
    5,258

    Default Re: Outboard Power Tilt Question

    Keep an eye on the fluid level.
    Are the rams clean, that’s more likely to give you seal probs.

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