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New Yamaha Break-In Procedures

Discussion in 'Technical Stuff' started by Team Bennington, May 7, 2013.

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  1. Team Bennington

    Team Bennington Administrator Staff Member

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  2. Rockie69

    Rockie69 Well-Known Member

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    You folks are AWESOME!
     
  3. BulldogsCadillac

    BulldogsCadillac Just some guy

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    Good to know for the new SHO 250! Thanks TB
     
  4. Corkboy54

    Corkboy54 Well-Known Member

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    Thanks TB! Is there any downside to running fuel with a higher octane rating than what is suggested? I ask as I want to avoid Ethanol and the only way I know to get gas with no Ethanol is to get Premium (Octane rate 91-93). Obviously it costs more...but is there any downside to doing this? Thanks.
     
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  5. SEMPERFI8387

    SEMPERFI8387 Moderator

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    They state "minimum" rating, so higher should not be an issue, other than emptying your wallet faster !! I have never read anything about issues going up in octane ratings.
     
  6. kaydano

    kaydano Well-Known Member

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    It does say minimum octane should be 89, so my guess is higher would be okay. Just a guess.

    Also, the instructions for the 2nd hour of break in is a bit vague. You could read two ways. The first would be to floor it until it planes, then back off and keep it there for the rest of the hour. Or, it could mean to do this many times during that hour. Not sure which. I'm guessing you are supposed to vary it, but it doesn't exactly say that...

    Without looking, pretty sure my Merc manual says to "vary the speed" during the second hour (or something like that). I'd have to look...
     
  7. kaydano

    kaydano Well-Known Member

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    Semperfi beat me to it. We agree though.
     
    Last edited by a moderator: May 7, 2013
  8. keithkz

    keithkz Well-Known Member

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    There is absolutely no harm in using a higher octane. Due to the configuration of higher octane at the molecular level, higher octane fuel actually takes slightly longer to burn.
     
  9. RReaume

    RReaume Well-Known Member

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    For break in procedures the Yamaha android app. Is great it gives you step by step instructions with log entries for your convenience. This app also stores your motor information as well as warranty info such as start date and end date. You will also be able to look at maintenance charts.
     
  10. swiftm

    swiftm Well-Known Member

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    Thanks for the post. Didn't know or think about a motor app. Just downloaded it. I'll have to set it up when I get to the boat. Will have to explore to see what info it has.
     
  11. Larson1865

    Larson1865 Member

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    I just put my new Bennington on the water last week and used the Yamaha App for my breaj in procedures. Works slick. I also plan on using only premium in my tank. Not taking any chances with bad gas in the motor.
     
  12. cwag911

    cwag911 Moderator

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    You're wasting your money using premium fuel.
     
  13. Remediation

    Remediation Well-Known Member

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    Unless it is the only way to get non alcohol fuel.
     
  14. Gabbiano

    Gabbiano Well-Known Member

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    :lol: :lol: :lol:  the old if 2 aspirins are good 4 have to be better mentality. LOL
     
  15. Link

    Link Moderator

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    Agreed with Remediation, the only way to get ethanol-free fuel around here is the 91 octane which is the only thing that goes in my boat, seadoo, lawn tractor and snowblower
     
  16. SEMPERFI8387

    SEMPERFI8387 Moderator

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    I agree with Carl. Unless your manual specifically states it, 87 & Marine Stabil will do you fine. You can get a bad batch of premium just as easy as 87.
     
  17. Link

    Link Moderator

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    SemperFi, I am not concerned about bad gas, I am concerned about the effect of ethanol
     
  18. cwag911

    cwag911 Moderator

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    Let me rephrase what I said. If 91 is the only no ethanol fuel then use it. We have 89 around here and that's what I put in everything during the winter.
     
  19. Link

    Link Moderator

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    CWag, would appreciate your take on lower grades of ethanol gas with stabilizer versus 91 no ethanol.  Is ethanol gas with stabilizer acceptable and not harmful or should I spend the extra money on 91 ethanol free [plus the fact that I could fill up at the pump at the marina rather than lugging the 5 gallon gas cans]
     
  20. cwag911

    cwag911 Moderator

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    I realize I have a longer boating and mowing season than you "Northerners".    :p   9 months out of the year I use E10 with stabilizer and Nov/Dec/Jan, I use  E- free fuel with Stabil and Seafoam when all my motors sit. I use 5 gal cans either way. If I were putting my stuff up for a northern winter then I would use the good stuff.
     
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