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Idle very fast


rbgraber's Avatar
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08-13-06, 09:04 AM   #1  
Idle very fast

I have a 1999 90 HP Force engine, (model 90ELPT) that idles very fast.

The throttle cable turns a cam that drives the links that open and close the carbs.

After running at high speed, and slowing to an idle, the roller does not renqain in contact with the cam. I can push the roller over to the cam, and the idle slows to normal.

I oiled all links and pivot points which resulted in no change.

I would appreciate any help. THANKS

Blair

 
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marshallbuttrey's Avatar
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08-15-06, 09:46 AM   #2  
I find it hard to believe that no one has replied to this post.

I don't see how the problem can be anything other than a bind in one of the carbs.

Gramps

 
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08-15-06, 08:41 PM   #3  
Or a loose tension spring...

 
marshallbuttrey's Avatar
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08-16-06, 02:51 PM   #4  
zster, if you mean the springs on the carbs, I agree.

 
B0MBTRACK's Avatar
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08-17-06, 03:36 PM   #5  
Maybe doing a sync and link will help

 
rbgraber's Avatar
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08-18-06, 08:21 AM   #6  
what is a sync and link?

 
B0MBTRACK's Avatar
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08-19-06, 05:11 PM   #7  
its when you put the carb linkage in sync with eachother as well as the timing.

 
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08-21-06, 06:05 PM   #8  
Pwrbait
All three of you have hit the list of things to take care of. The service manual will tell you how to perform the sync and link. It's actually pretty easy to do. Once you disconnect the carbs from each other, you will need to do it anyway.
-Chris

 
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09-05-06, 08:50 AM   #9  
Update

Thanks to the thread by "B0MBTRACK - Maybe doing a sync and link will help " it allowed us to focus on the links between the carbs. The bottom link was actually too tight and loosing it up a bit allowd it to come back against the cam.

THANKS for all the help.

 
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