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  #1  
Unread 07-13-2009, 03:32 PM
reyb reyb is offline
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I've rebuilt the carbs but for it to idle after 10 minutes of warming up leads me to believe something else is going on. Something else is being affected by the heat.

I'm not sure if the carb is good in the first place. Jets have been replaces and from what I read the jets of all 3 carbs might be matched, so that's why I was wondering if I can use other year carbs on this '89.
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Unread 07-13-2009, 03:50 PM
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what rpm are you trying to idle at?
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Unread 07-13-2009, 03:57 PM
reyb reyb is offline
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From what I've read, the idle should be around 750 +-. If it idles high, then I might not be able to get it in gear; so I've read.
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Unread 07-13-2009, 04:31 PM
steplift20 steplift20 is offline
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750 to 1000 should be good
those motors have alot of electrical switches and boxes it could be electrical problems
i have a 1988 and i had to change my stator 3 times and the simptoms vary
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Unread 07-13-2009, 05:12 PM
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what kind of tach are you using to set the idle rpm, the one in your dash is probably not accurate enough at low rpm, I set the idle rpm usually by ear if i don't have my shop tach handy. I set it high enough where it will idle in gear, but when I pull it out of gear and back in, the boat doesn't lurch and you don't have a big clunk when shifting, try going from fwd to reverse, as long as it stays idling, adn it doesn't shift too harsh, you should be ok
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Unread 07-13-2009, 05:57 PM
reyb reyb is offline
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Quote:
Originally Posted by spareparts View Post
what kind of tach are you using to set the idle rpm, the one in your dash is probably not accurate enough at low rpm, I set the idle rpm usually by ear if i don't have my shop tach handy. I set it high enough where it will idle in gear, but when I pull it out of gear and back in, the boat doesn't lurch and you don't have a big clunk when shifting, try going from fwd to reverse, as long as it stays idling, adn it doesn't shift too harsh, you should be ok
Yeah, just referencing the tach on the dash. Again, it idles fine after it the motor has warmed up for about 10 minutes. I believe it's around 750 - 1000 and I can shift into gear with pretty smoothly.
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Unread 07-13-2009, 08:22 PM
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go back and sync the carbs, pull the idle stabilizer off, adjust te pickup timing to get it to idle. Have you base lined it? Compresion test, spark check?
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  #8  
Unread 07-13-2009, 05:55 PM
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Quote:
Originally Posted by steplift20 View Post
750 to 1000 should be good
those motors have alot of electrical switches and boxes it could be electrical problems
i have a 1988 and i had to change my stator 3 times and the simptoms vary
Is it easy to test the stator? If so, can you give the steps on how to do it?
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