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1990 Evinrude 25 HP E25RESB Low idle problems

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  • #16
    Re: 1990 Evinrude 25 HP E25RESB Low idle problems

    If it was me id hook up a timing light now to see what is going on

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    • #17
      Re: 1990 Evinrude 25 HP E25RESB Low idle problems

      Wish I had one. Did you watch the video I posted?

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      • #18
        Re: 1990 Evinrude 25 HP E25RESB Low idle problems

        i got one for $15
        yep saw it.

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        • #19
          Re: 1990 Evinrude 25 HP E25RESB Low idle problems

          I have noticed that when it stalls some air bubbles go back into the primer(choke) from the little hose on top of the carb...is this normal?

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          • #20
            Re: 1990 Evinrude 25 HP E25RESB Low idle problems

            On this motor the butterfly does not come into play for choking.-----In fact this motor does not have a choke plate , instead it has a primer system to enrich the air for start-up.----Is this primer system in good repair and not leaking ?

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            • #21
              Re: 1990 Evinrude 25 HP E25RESB Low idle problems

              when I do use it (I really never have to) when I pump it I see small air bubbles going in with the gas in the little tube to top of the carb.

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              • #22
                Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                Pull the wee line off the carburetor when the motor is running.
                Last edited by racerone; December 31st, 2013, 08:54 PM.

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                • #23
                  Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                  When the motor is running that line does not move gas....I can tell because there are tiny air bubbles in the line when I press the primer.

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                  • #24
                    Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                    Outboard Motor Repair- 35 evinrude won't idle

                    This article has me thinking....I do not remember seeing part #10 when I tore the carb apart for cleaning....there was no o-ring inside of there...also part #13 says it is also an o-ring...I think there might have been a washer there...

                    http://www.**********/parts/search/B...TOR/parts.html

                    I ordered a carb rebuild kit Sunday and it should be here Friday. Would part #10 and #13 be in it?

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                    • #25
                      Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                      Dumb question but does this motor have a fuel filter? I never saw one while working on it.

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                      • #26
                        Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                        front part of fuel pump has it

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                        • #27
                          Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                          Where do you adjust for RPM on this motor? If you can tell me a part number that would help tremendously...Thanks

                          http://www.**********/parts/search/B...ESB/parts.html

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                          • #28
                            Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                            Originally posted by tom071984 View Post
                            Where do you adjust for RPM on this motor? If you can tell me a part number that would help tremendously...Thanks

                            http://www.**********/parts/search/B...ESB/parts.html
                            what do you mean?

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                            • #29
                              Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                              increase idle without opening butterfly

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                              • #30
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                                Re: 1990 Evinrude 25 HP E25RESB Low idle problems

                                advance timing

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