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  1. #1
    Member
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    Feb 2012
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    Manchester
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    Oil injection-Pro and con?

    Should I mix my oil and gas and disconnect the oil injection on the 150 Merc black max that came with my 84 Champion? Peace of mind says disconnect and mix as they were new back then and I don't know how dependable they were.

  2. Member
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    Jul 2004
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    York PA
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    3,248
    #2

    Re: Oil injection-Pro and con? (bwillig)

    For that old of a motor unhook and premix

  3. Member
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    claremore
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    #3

    Re: Oil injection-Pro and con? (bwillig)

    I would mix.

  4. Champion Boats Moderator Lea's Avatar
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    #4

    Re: Oil injection-Pro and con? (bwillig)

    Check with Don Weed (European Marine) in the Merc forum. He's our Merc expert and can tell you what you should do.

  5. Champion Boats Moderator Tx Champ's Avatar
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    Jun 2004
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    Abilene, TX
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    21,158
    #5

    Re: Oil injection-Pro and con? (Lea)

    IMHO, pre-mixing is a PITA ... if you're afraid of the oiler gear in your Merc, consider this ...

  6. Member
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    Manchester
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    #6

    Re: Oil injection-Pro and con? (Lea)

    Thanks to everyone for their opinion, gonna switch to mixing. That way, if the motor is running, its gettin oil!

  7. Member BigMouth's Avatar
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    Dec 2011
    Location
    Clovis, CA
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    3,081
    #7
    Hmmm, it's 27 years old, I'd say that's a pretty good track record for the oil injection system. But I'm a noob. I'd do what the experts here say, you may have just been lucky. In which case I'd head over to Lake Mead, stop in Las Vegas put $10 on black 22. With that kind of luck you may pay for the trip and a new[er] Champion!

  8. Member
    Join Date
    Aug 2004
    Location
    Kerrville
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    960
    #8

    Re: (BigMouth)

    If you disconnect make sure you do it right!!!!
    Get the kit and make sure you know what you're doing.

    You will use more oil !!

    Having said that, I've done it with many of my motors. I have 3 of those bottles that are marked in ounces that I kept in an ammo box in the truck. I kept em loaded for 10 gallons and 5 gallons. Also put my additives in there so it was good to go. As long as you buy 5,10 or 15 gallons of gas, it's a no brainer.


    Pop

  9. Member axis's Avatar
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    Jan 2007
    Location
    Ohio
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    720
    #9

    Re: (mha)

    Pop is right, you will use more oil. I mix my oil, and use the bottle with the correct oil to gallons markings also. If I am going to do a long WOT run then I may add some oil. I also mix in Stabil and quikleen each time.

  10. Member
    Join Date
    Aug 2004
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    Kerrville
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    960
    #10

    Re: (axis)

    I skipped the whole oil injection thing.
    I went from pre-mixing oil and buying only the freshest 93 octane for high compression 2.5s straight to a 4 stroke.


    Pop

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