Yearly Bravo 3 mainenance - splitting open drives ?

Discussion in 'General Discussion' started by Katemma Life, Nov 29, 2020.

  1. Katemma Life

    Katemma Life Member

    115
    Oct 7, 2018
    cape cod
    2007 sea ray 290 SLX
    Twin mercruiser MAG 350 MPI w/ Bravo III
    So, I clean, paint, replace anodes yearly but have been hearing that internal corrrosion is an issue also. That barnacle build up happens inside. Does anyone have opinion on weather splitting open the OD's is recommended and what type of cleaning you should do if you split them apart?
    Thanks
     
  2. douglee25

    douglee25 Well-Known Member

    Jan 13, 2008
    Dallas, TX
    Cruisers 3575
    Twin 7.4l
    Not needed.. Who told you that BS?
     
    scoflaw likes this.
  3. Katemma Life

    Katemma Life Member

    115
    Oct 7, 2018
    cape cod
    2007 sea ray 290 SLX
    Twin mercruiser MAG 350 MPI w/ Bravo III
    guess I got my answer.. his name was Tom.
     
  4. Espos4

    Espos4 Well-Known Member

    Jan 1, 2017
    Long Island NY
    2007 240 Sundeck
    350 MAG Bravo 3 W/DTS
    I’ve split my outdrive during the winter. Usually find 5-6 barnacles inside the waterway. If you look close at the small inlet holes on the lower unit, you may be able to see them if you have them.

    I don’t have any internal corrosion issues. I just scrape the barnacles off and apply Trilux 33 to the inside of the water passage.
     

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