’85 smoking at idle
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=2005
Printed Date: May-13-2024 at 8:48pm
Topic: ’85 smoking at idle
Posted By: Guests
Subject: ’85 smoking at idle
Date Posted: July-05-2005 at 1:20pm
I have a 1985 with a 351
Smokes alot at idle, can't seem to stop it.
I put a new marine carb on a fwe years back, wondering if its jetted different? or something. Doesn't seem to be an adjustment for idle mixture.
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Replies:
Posted By: GottaSki
Date Posted: July-05-2005 at 1:26pm
Look down the carb when its running and see if its dripping...
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole
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Posted By: jameski
Date Posted: July-05-2005 at 1:35pm
Black smoke is gas, blue smoke is oil. What color do you have?
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current boat
http://www.correctcraftfan.com/diaries/details.asp?ID=1977 - 94 Sport Nautique
previous boat
http://www.correctcraftfan.com/diaries/details.asp?ID=601 - 78 Martinique
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Posted By: Guests
Date Posted: July-05-2005 at 2:00pm
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I believe it is black smoke - boat doessn't burn any oil. I do end up with black residue on the back of the boat.
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Posted By: jameski
Date Posted: July-05-2005 at 2:10pm
What kind of carb did you put on it? I've never seen one that has no idle mixture adjustment. Some new carbs have the adjustment screws covered and sealed to prevent adjustment, but the seals can be removed when adjustments are necessary. How does the boat run? If the idle mixture is very rich, it will foul spark plugs and run rough.
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current boat
http://www.correctcraftfan.com/diaries/details.asp?ID=1977 - 94 Sport Nautique
previous boat
http://www.correctcraftfan.com/diaries/details.asp?ID=601 - 78 Martinique
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