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motor won't run pass 3000rpm's
HarleyFXDL
#21 Print Post
Posted on 02/21/10 - 4:22 AM
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Rebuilding the carbs can do no damage to your motor, but, a lean condition can. There have been instances when a motor was perceived to be running fine, just to have a rod bearing go. I have such a motor in my garage right now. If you don't know when the carbs were last rebuilt, it can't hurt to have them done, it might save you from a possible problem next trip out. Just my .02, no change required.


Kevin
1988 11' Super Sport, 1987 Johnson 15hp.
If you think education is expensive, try ignorance
"Vegetarian - old Indian word for bad fisherman."
 
budana
#22 Print Post
Posted on 02/21/10 - 9:22 PM
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i know i'm going to do a carb rebuild just because,ran motor today in driveway started fine .one thing i forgot to mention was that at low idle motor would sputter and stop .today not aproblem at low idle. can't wait till i can get money saved to buy new 4stroke or e-tec.lol.


1979 montauk - 1979 85hp johnson
 
Guts
#23 Print Post
Posted on 02/21/10 - 9:32 PM
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How old is the primer bulb and fuel hose and fittings?


Edited by Phil T on 02/22/10 - 4:20 AM
 
HarleyFXDL
#24 Print Post
Posted on 02/22/10 - 6:16 AM
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Forgot to add, if you do not have a fuel/water separator, make sure you install one PRIOR to running engine with fresh carb rebuild.


Kevin
1988 11' Super Sport, 1987 Johnson 15hp.
If you think education is expensive, try ignorance
"Vegetarian - old Indian word for bad fisherman."
 
Finnegan
#25 Print Post
Posted on 02/22/10 - 10:08 AM
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I would take the engine in for service. I don't know anything about OMC's, but on a Mercury when the engine won't go over 3000 RPM, it's a high speed stator failure. Your problem may not be in the carbs.

 
budana
#26 Print Post
Posted on 02/22/10 - 8:28 PM
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thanks harley,i purchased one last year,before i got the bw for another boat.i look up a carb rebuild i think i can do it.if i get in a bind expect a pm,lol.thanks BUD.


1979 montauk - 1979 85hp johnson
 
poohlu91
#27 Print Post
Posted on 03/11/10 - 12:50 AM
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I don't know if you found your answer.. I didn't take the time to read all the reply's, but I have ran in to this problem before.. with a Brand New Engine... my problem was a mismatched PROP. And I suspect that is your issue also.

 
budana
#28 Print Post
Posted on 03/12/10 - 3:41 AM
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besides the carb rebuild i think after reading about ethonal blended fuels and fiberglass tanks i think it might be adding to my problems.have a Pate tank and all the stations now are selling blended fuels.been looking into getting a different prop too.


1979 montauk - 1979 85hp johnson
 
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