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  1. #1
    Banned
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    Feb 2017
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    Ontario
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    684

    250HO gen 1 lost mph and hole shot

    My outboard starting acting up today. I've lost ten mph on the top end and my hole shot is now sluggish. I've noticed the occasional stall when going into neutral as well. Any suggestions? I put new fuel in today and will see how it goes tomorrow. No alarms on the guage. I'm currently away from home but there is a marina close by, if they are open tomorrow I will get them to scan the ecu.

  2. Member Danrude's Avatar
    Join Date
    Apr 2007
    Location
    Marietta, GA
    Posts
    3,529
    #2
    Sounds like you are down a cylinder, bad fuel injector, coil or spark plug for starters.
    Dan Burnette - Marietta, GA
    Triton 18TRX - 200 HO G2

  3. Member
    Join Date
    Apr 2014
    Location
    SW, Ohio
    Posts
    17,187
    #3
    betting a bad injector!
    2022 z519 cup 225 merc 4s ser # 3B210484. 2--hds12 live units. 2 poles, atlas plate, ghost, hamby's, active target, merc digital gauges
    2002 basscat pantera 3 (dad bought new) sold 8-2-22
    2000 stratos 20 ss (bought new) 200 hp Rude ficht great boat/motor sold 11-21
    pulled by a 2500HD Denali
    proud dad of an ARMY Captain
    MAGA
    ASE/GM Master tech before tools

  4. Banned
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    Feb 2017
    Location
    Ontario
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    684
    #4
    Quote Originally Posted by mactlman View Post
    betting a bad injector!
    You got it, it was a bad injector.

  5. Member
    Join Date
    Apr 2014
    Location
    SW, Ohio
    Posts
    17,187
    #5
    Quote Originally Posted by sabby View Post
    You got it, it was a bad injector.

    all good now?
    2022 z519 cup 225 merc 4s ser # 3B210484. 2--hds12 live units. 2 poles, atlas plate, ghost, hamby's, active target, merc digital gauges
    2002 basscat pantera 3 (dad bought new) sold 8-2-22
    2000 stratos 20 ss (bought new) 200 hp Rude ficht great boat/motor sold 11-21
    pulled by a 2500HD Denali
    proud dad of an ARMY Captain
    MAGA
    ASE/GM Master tech before tools

  6. Banned
    Join Date
    Feb 2017
    Location
    Ontario
    Posts
    684
    #6
    Quote Originally Posted by mactlman View Post
    all good now?
    Yes, seems to be. I ended up with a new injector and new plugs. Got lucky in that I didn't keep running it.