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  1. #1
    Member
    Join Date
    Dec 2009
    Location
    Clayton
    Posts
    334

    2000 OX66 cutting out

    Was running down the lake last night and engine just out, it picked right back up and never happened again. It was just weird how it suddenly cut out. Any thoughts or suggestions of what to look for?

  2. Member
    Join Date
    Apr 2021
    Location
    danbury ct.
    Posts
    42
    #2
    Water in fuel. Check filter under cowling for water. Replace filter in boat. Does the motor run strong now?

  3. Member
    Join Date
    Jan 2019
    Location
    Houma La.
    Posts
    97
    #3
    That`s how mine started acting up and got more frequent turned out to be fuel relay switch. Just a thought.

  4. Member
    Join Date
    Oct 2010
    Location
    Texas
    Posts
    1,331
    #4
    Likely the fuel pump relay. Change it. Easy job.

  5. Member
    Join Date
    Dec 2009
    Location
    Clayton
    Posts
    334
    #5
    Anyone happen to have a part number for the fuel pump relay on vmax225TLRY?

  6. Member
    Join Date
    Oct 2010
    Location
    Texas
    Posts
    1,331
    #6
    Boats.net or simyamaha.com will have the parts diagram for your engine. That will have the part number.

  7. Member
    Join Date
    Aug 2018
    Location
    Birmingham Alabama
    Posts
    721
    #7
    Mine was low pressure fuel pump, or lift pumps.

    At over 5000rpm it would just turn off.

    Replaced pumps and all good.

  8. Member
    Join Date
    Dec 2009
    Location
    Clayton
    Posts
    334
    #8
    Thanks guys