Motor Break in Procedure

  • SpinnerDave
    S.E. Iowa
    Posts: 669
    March 25, 2004 at 1:01 am #1232617

    What is the best way to break in a new outboard, I have one sequence I used for breakin after a rebuild but would like some input on a new motor.Do you use double oil? Thanks Dave

    wade_kuehl
    Northwest Iowa
    Posts: 6167
    March 25, 2004 at 1:20 am #298134

    On my new Mercury 90HP 2 stroke the dealer had me add a few quarts to the tank and fill up the oil res. of course. Said to run it that way the first tank and then run it with just the oil res. the second tank.

    kevinneve
    Devils Lake ND area
    Posts: 330
    March 25, 2004 at 1:30 am #298139

    Ditto.

    Vary the rpms but don’t open it up for at least 10 gallons. Then don’t hold it there for an extended period.

    I usually break in with at least 24 gallons of gas before I put the coals to her.

    Those with Opti’s consult your manual. According to the best Merc Tech on this planet, the biggest reason the opti’s had trouble on the circuits was due to improper break in procedures. They can be hooked up to the computer to show the history. If the break in was incorrect they might not stand behind the warranty.

    I have never seen the manual for the break in but I will in few weeks when I get my new 193 Warrior with a 225 Merc Opti!!!!

    Steve Plantz
    SE MN
    Posts: 12240
    March 25, 2004 at 1:34 am #298095

    I would go with your dealer recommendations for your brand of motor so you do not void your warranty.

    derek_johnston
    On the water- Minnesota
    Posts: 5022
    March 25, 2004 at 1:51 am #298148

    What does your owners manual say?

    SpinnerDave
    S.E. Iowa
    Posts: 669
    March 25, 2004 at 1:53 am #298149

    Is there a max RPM to stay under for the first 30- 45 min? I dont have the manual yet ,will pick it up on Friday

    joshbjork
    Center of Iowa
    Posts: 727
    March 25, 2004 at 4:09 am #298186

    You need a manual. One for mine is something like, idling for a period of hours, variable part throttle for hours, then small bursts of full speed for hours! I think it was with extra oil but not sure of that. I can’t remember the details.

    derek_johnston
    On the water- Minnesota
    Posts: 5022
    March 25, 2004 at 12:55 pm #298213

    Follow the owners manual.

    suzuki
    Woodbury, Mn
    Posts: 18844
    March 25, 2004 at 6:57 pm #298275

    Not sure about the other brands but Suzuki has step by step instructions for this. I followed it to the letter.

    steveo
    W Central Sconnie
    Posts: 4102
    March 25, 2004 at 8:14 pm #298290

    Wade,
    I’ve got the same motor and did the same thing. It was pretty easy. Motor runs great now going on it’s third year in the water.

    buckshot
    Rochester, MN
    Posts: 1654
    March 25, 2004 at 9:14 pm #298249

    Everything I have heard about breaking in a motor was follow the owners manual to the letter. That came from several different sources when I purchased my new boat/motor 2 years ago.

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