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#1
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Where are all of the internet mechanics? Taking the day off? Hello? If I don't hear back soon I'm going to go by the Honda dealership to look see about a new motor.
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 1994 Wellcraft V21 
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#3
06-28-2010, 03:24 PM
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Nymack, its the same as a johnnyrude...just has a different word on the cowl! LOL
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1994 Wellcraft V21
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#4
06-28-2010, 04:07 PM
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Ok I will give it a shot,
Run it with an external portable tank to eliminate the possibility a vapour lock (clog air vent or bad fuel cap) or anti syphoning valve issue on the tank. If problem persist you will need to do a fuel pump test, I am not sure what the procedure will be on a YamahaEvinrudeJohnson :)
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#5
06-28-2010, 05:47 PM
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What it's worth...
I'm going with the fuel pump doing a slow death on you. I think your supposed to have 45 lbs pressure on the bar. Mine crapped out recently and I was pushing 5 lbs. That's only a guess....Good luck with your real mechanic!
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http://i188.photobucket.com/albums/z...t/IMG_2009.jpg&&\"Ain't no shame in fishin' on the bottom.I came up with this at a bar real late.
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#6
06-28-2010, 08:16 PM
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Blue from my previous experience with a similar problem, make sure your primer bulb is good, I went thru three before I found a good one believe it or not. Second time with same problem, in engine filter was clogged and the fuel pumps had taken a dump.
That was inspite of a Racor 10 micron set up. The Mercury did the same thing on me but it was a fuel line that had a small split in it and would take on air, same thing when I pumped the ball it did OK cause I was forcing fuel into the engine but let on its own the darn thing would suck air.
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#7
06-28-2010, 09:53 PM
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I'll bite I guess. You mentioned that the primer bulb was going flat. If you're not mashing it and it's going flat on it's own then you just ruled out your engine and fuel system from the bulb to the engine. Period. Has to be.
The problem lies between the other side of the bulb and the fuel in the tank. Maybe something is clogging up the inlet strainer in the tank? Bad primer bulb check valve(happens to me every 2 years). Trash caught in the shutoff valve at the tank, collapsing hose between the bulb and the tank. Or most unlikely, but not forgotten is a clog in the air vent. Hope this helps.
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