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  1. #1
    Member
    Join Date
    Aug 2008
    Location
    Collinsville
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    20

    1999 200 Hp YAMAHA QUITING

    I took it out the other day and got on plane and top speed and it went dead. Cranked it back up and it was idling rough. If I went no more than 3/4 speeed it didn't shut off. If I went full throttle it went dead. The gas in the tank has been in there about two months. Could that be it?

  2. Member craigs06's Avatar
    Join Date
    Jun 2006
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    Residing in Baton Rouge
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    5,291
    #2

    Re: 1999 200 Hp YAMAHA QUITING (shelbycam)

    I think I would check fuel filters and the squeeze bulb. Sounds like a fuel restriction to me.
    "Only Member of the EvoZilla Fishing Team"

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  3. Banned
    Join Date
    Jun 2004
    Location
    Apex, NC
    Posts
    4,828
    #3

    Re: 1999 200 Hp YAMAHA QUITING (shelbycam)

    Clean VST filter, check diaphragms on low pressure fuel pumps and replace if needed, have your injectors cleaned by Brucato and fuel up with fresh fuel.

  4. Member
    Join Date
    Aug 2008
    Location
    Collinsville
    Posts
    20
    #4

    Re: 1999 200 Hp YAMAHA QUITING (Rich Z)

    Diaphram bad. Replaced it and it works fine now.

    Thanks,

    Eric

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