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Thread: 2ST oil contamination

  1. #1

    2ST oil contamination

    A friend has an 05 140 2st saltwater, which wasn't drawing up oil from the remote tank to the header tank quick enough when at speed. further inspection on advice, the filter in the remote tank had a slimy gel like goo all over it blocking the oil flow. He only ever uses Quicksilver premium oil. Other than the muck on the filter, the rest of the oil is still clear blue. Anyone heard of this before?

  2. #2

    Re: 2ST oil contamination

    No mate. I had used the Premium Quicksilver stuff for years with no issues. I use Penrite Biomarine now. Cheers

    Sent from my SM-G960F using Tapatalk
    Boat: Seafarer Vagabond
    Live: Great South East....love Moreton Bay fishing

  3. #3

    Re: 2ST oil contamination

    hes probably mixed oils at some point and caused the issue

  4. #4

    Re: 2ST oil contamination

    Quote Originally Posted by stevej View Post
    hes probably mixed oils at some point and caused the issue
    he assures he's only ever used quicksilver!

  5. #5

    Re: 2ST oil contamination

    oil goes that like that with water as well normally its mixing oils though

  6. #6

    Re: 2ST oil contamination

    Even with the best oils, filters need routine maintenance, that little filter/strainer getting clogged is a very common issue, be careful when replacing it, there is a little seal that can be misplaced when refitting.

  7. #7

    Re: 2ST oil contamination

    In this day and age our oils from the big companies are premium oils because of today's technology is filled with high tech engines, i doubt oyur Mercury oil has split it seems to me that maybe u have taking on water in the bottle from rain possibly when u get water in oil it makes it go sludge like as u mentioned

  8. #8

    Re: 2ST oil contamination

    its a 13 year old engine, so has 13 years of condensation built up by just the breather

    the tank shave to be cleaned out now and then

  9. #9

    Re: 2ST oil contamination

    yeah, guess its something that boat owners may be a bit complacent about compared to their fuel filters. the oil was clean, just had this sticky film over the gauze filter.

  10. #10

    Re: 2ST oil contamination

    Not sure if the Mercury oil is like the Evinrude oil but i have read the Evinrude oil does not have an expiry date

  11. #11

    Re: 2ST oil contamination

    Quote Originally Posted by gazza2006au View Post
    Not sure if the Mercury oil is like the Evinrude oil but i have read the Evinrude oil does not have an expiry date
    not sure either, I can't see anything that points to a manufacture or use by date!

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