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Thread: New outboard break-in process

  1. #1
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    Aug 2011
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    Prayer Request New outboard break-in process


    Ok all, I have a big question. Do you follow the break-in procedure for a new outboard motor? Heres why I ask: When I bought my boat from pros choice with the small motor I asked them to do the initial break in for me. Whether or not they did it is totally unknown to me. When I took delivery of my boat the following day they said run it like you stole it.lol. So thats what I did, never a complaint from the 25 hp fourstroke mercury. I just upgraded to a 2015 50hp fourstroke mercury and Bass pro gave me this almost rediculous break in procedure, 1/4 throttle for the first hour etc, etc.

    So what do you all do?

    This leads

  2. #2
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    Call Mercury Customer Service if you have doubts about which advice to follow. Or read the owners manual.

  3. #3
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    Read your owners manual, it will tell you what to do.
    I'll smoke just about anything (in my smoker)
    The fishing is always great. The catching varies.

  4. #4
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    Owners manual instructions. 1) there is a reason for the instructions and 2) If a warranty issue comes about written instructions is what will cover your bases with the manufacturer. And they can probably pull the computer readout and tell how many hours the motor has spent at different RPM levels
    Bulletman aka Tommy

  5. #5
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    Follow the owners manual directions, its easy to do, just don't take any fishing gear with you so you can focus on breaking the motor in. Varying the rpms is important so the rings and pistons, etc., mate up properly. I finished the process in 2-3 trips to the lake, gives you a chance to check some new fishing areas with the electronics. LOL.
    GO BIG ORANGE !

    I meant to behave, but there were just way too many other options available at the time.

  6. #6
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    Default New outboard break-in process

    What he said^^^^^^


    The dealer NO WAY broke your engine in properly. It takes 10 hours of In Gear running. You can't break in an engine running it on a stand. You're Breaking In the Lower Unit at the same time you are the power head.
    We only sell the Best. Ranger, Xpress, Yamaha, Suzuki, Tohatsu.
    Likes ShilohRed, truman13 LIKED above post

  7. #7
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    Yes we followed the instructions. When you invest that kind of money I wouldn't want to screw anything up. Your warranty depends on it and the life of your motor.

  8. #8
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    I have heard that on 4 stroke motors, the break in period is about 1/2 of what a 2 stroke is. I did the full 10 hours on my 2 stroke with double the oil.

  9. #9
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    Default New outboard break-in process

    The break in TIME is the same for a 4 stroke as it is for a 2. You can run a 4S WOT for less than 5 min. after the first 2-3hrs tho. depending on manufacturer. READ THE OWNERS MANUAL AND DO AS RECOMMENDED!!!!!!!! It's a No Brainer Gewber!!! New outboard break-in process
    We only sell the Best. Ranger, Xpress, Yamaha, Suzuki, Tohatsu.

  10. #10
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    Thanks all. I appreciate your advice. Looks like im going to cruise around truman and locate the mdc waypoints

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