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#1
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Does the plug have any signs of fuel on it? If not I would suspect the carb for a problem. If it is wet, but clean then I would suspect ignition(or water). Remove that plastic cover from the rear of the engine and then swap that coil with another and swap the wire with it as well. If the problem stays on that cylinder then it isn't the coil or wires. If you suspect fuel, then remove the airbox cover and start the engine. Bring the RPM's up to around 2500 and check for airflow through the carbs. If air is flowing through it, then spray some WD-40 in the top carb port side(the carbs feed the cylinders on the opposite sides of the engine) and see if the RPM's increase. DON'T USE STARTING FLUID OR CLEANERS FOR THIS! They will wash the oil off the cylinders and burn a bearing or cylinder REAL QUICK! WD-40 has enough lubrication to it to prevent damage but still potent enough to fire the cylinder. Also pull the drain screws as a piece of trash over the main jet can shut down all of the fuel to that cylinder.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#2
06-17-2008, 07:45 AM
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Slot and Ferm, thanks for the ammo. My buddy is supposed to bring over one of those gadgets Mulv mentioned to test for spark. If he does I will first check for spark and then perform the above mentioned tests.
If it turned out to be a coil, how much do those boogers cost? Wish me luck!! P.S. Ferm no sign of fuel on that plug, however it had not run in a day or two. Probably best to run it for a minute then check for signs of fuel.
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 1994 Wellcraft V21
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#3
06-17-2008, 01:53 PM
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Coils should be fairly inexpensive...< 30 or so?
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Airslot Airslot's V-20 Gallery
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#4
06-17-2008, 01:57 PM
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Yeah, after I asked that dumb question I looked it up online....duh!
Thanks man!
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1994 Wellcraft V21
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#5
06-18-2008, 07:42 AM
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Performed a spark test yesterday evening and I'm getting spark on all 6 so it has to be a fuel problem to that top right cylinder.
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1994 Wellcraft V21
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#6
06-18-2008, 07:52 AM
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Well. at least your getting there one step at a time. Time to backtrack and check that carb for fuel passage.
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Airslot Airslot's V-20 Gallery
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#7
06-18-2008, 08:23 AM
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Yep, I think I have trash in there for sure. My problem is self inflicted. I waited too long to change the fuel water separator. I know for a fact I have trash in my tank. I have to be more diligent with the filters.
The plan is to take one screw out per day until the whole motor is torn apart and inventoried. Then, by December 2nd 2012 I should be able to begin putting it back together. 
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1994 Wellcraft V21
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