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  • Yamaha 225 Excel no idle...

    I have a yami 225 excel the power head is less than 2 years old and looks to be in great shape. When I got it, the lower unit was milky. I resealed the LU and did a water pump etc. LU is good.

    Now I cannot get this thing to idle.
    To start it I have to choke the motor bad once started I can rev the engine and it will will run if i rev it up super hi. It runs like a scalded dog. But eventually it will bog down and die even if I hold the throttle open 2/3.

    Once it dies if i dont choke it, the engine will run for 5 secs and bog. Then I have to choke it and floor it to get it to run. No idle...

    What I have done:
    Compression test read 128-130 across the board. I replaced the fuel pumps took the carb apart and soaked them. Gas is good and fresh. I reset the pilot screws and synced the carbs per the manual. I have a spark tester and a timing light. I tested spark I have it. The timing light will blink twice on #3 cylinder. What does this indicate?

    What else would cause the engine not to idle? I am so frustrated.

    thanks

  • #2
    Any one? I could really use some help

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    • #3
      Sounds like the carbs need to be cleaned, probably has low speed jets plugged up.
      Regards
      Boats.net
      Yamaha Outboard Parts

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