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| Boat Fishing & Boating A new forum at Striped-Bass.com for those fishing from boats and for boating in general |
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06-26-2007, 01:04 PM
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#1
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Registered User
Join Date: Jul 2005
Location: Springfield, MA
Posts: 425
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Trouble with top end
1989 85 Force OB. Never given me one hiccup since new. Regularly maintained, sort of. Idled all morning Sat in a wind condition on a lake sort of a shakedown morning. Hit the gas to run her home, power came up as norm, vessel planed as always, ran on top for 30 seconds or so, and the RPM dropped til she stalled. Waited 10 seconds while searching the obvious, hit the key, fired right up. Let it idle a little while, purred like a kitten, hit the WOT, same as before; all good for 30 seconds. Idled it in. Any ideas? I'd hate to have to use Seatow first trip out.
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06-26-2007, 02:04 PM
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#2
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Old Guy
Join Date: Oct 2004
Location: Mansfield, MA
Posts: 8,760
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Clogged high end jet in carbs
Carb cleaner
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06-26-2007, 03:03 PM
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#3
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"Fishbucket"
Join Date: Feb 2004
Location: Bahston Hahbah
Posts: 6,588
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sounds like a fuel delivery issue.
clogged vent, bad ball, fuel pump{s} shot.?
basicly running out of fuel, fuel system can't keep up with demand.
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06-26-2007, 04:20 PM
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#4
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Registered User
Join Date: Jun 2005
Location: Between a rock and a hard place
Posts: 540
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I had an 87 merc with the exact same symptoms and after checking out everything that had to do with fuel I still had the problem. I took it to a mechanic and he found that 1 of the power pacs ( 2 in that engine) was cutting out at high speed. He replaced it and problem solved. I would still start with the fuel system - simple things first.
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Give a man a fish and you feed him for a day ...
show him where to fish and ... you'll be sorry
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06-26-2007, 05:04 PM
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#5
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Seal Control
Join Date: Nov 2002
Location: Caver, Ma.
Posts: 3,875
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Cloged Filter, Vents clear, ball not holding??
This new gas can cause filter clogs for the first few tanks, I had a problem like that last year. But if you have used a few tanks of it you should be fine.
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"All my friends are Flakes!!"
BOATLESS 
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06-26-2007, 05:56 PM
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#6
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Afterhours Custom Plugs
Join Date: Mar 2004
Location: R.I.
Posts: 8,642
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check for scamooge in carb bowls.
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06-26-2007, 08:24 PM
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#7
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D'oh
Join Date: May 2004
Location: RI
Posts: 3,296
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scamooge is a very technical term from gunk, right?
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i bent my wookie
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06-27-2007, 05:47 AM
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#8
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Afterhours Custom Plugs
Join Date: Mar 2004
Location: R.I.
Posts: 8,642
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gunk and/or debris- motor is 17 yo. would'nt hurt to clean 'em. had the very same problem with a newer motor.
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06-27-2007, 09:13 AM
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#9
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Registered User
Join Date: Feb 2003
Location: Newtown, CT
Posts: 5,659
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Definately a fuel problem.
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06-28-2007, 04:00 PM
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#10
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Registered User
Join Date: Jul 2005
Location: Springfield, MA
Posts: 425
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Thanks guys. As I figured she is simply running out of fuel. Obtaining a fuel pump kit and will start there. Keep you posted as to what I find.
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