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#1
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Where is the vent outlet on the tank? At the front or rear of the tank? It could be air locking. Also do you have an elbow at the tank? Some have back flow preventers and some just get clogged very easily. We pulled bumble bees out of the elbows on my Sportsman when it kept dieing on us.
If you think the tank is very dirty you may have to do what i did to my 250 Sportsman, cut a 6" circle through the tank and clean it manually. I had to pull 50 gallons of fuel out of the tank and then filled it with water before cutting. I pumped all the water out and flushed it with the garden hose and let it dry for a day. I then took a piece of 1/8" aluminum and used gasket paper to seal the hole back up. The only problem i have had since then is water getting into the tank due to a piss poor design. The overflow was getting flooded in rough water.
__________________
1983 V-20 capsized. . . . in the garage. 
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#3
10-17-2011, 04:57 PM
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replace all your fuel lines. Does it have the grey "quicksilver" fuel line? Cut a section off, slice it length wise, and open it up. You will probably see the inner lining of the fuel line turning brown and coming apart. Replace all the lines from the tank till you get above deck with A1 type line, its a little more, but it holds up better, replace all the above deck line with good quality B1( I use trident hose), replace the primer bulb with a good one made by Mercury, Bomb, or Yamaha. Make sure your water sep filter housing is flushed as well. Check the filters/strainers on the engine as well.
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#4
10-17-2011, 04:57 PM
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Oh, and BTW, that thing doesn't have a fiberglass tank does it?
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#5
10-17-2011, 06:49 PM
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your boat looks sharp man. in addition to what spare said, if you are replacing all the hose. If it were myself I would trash the anti-siphon fitting for a standard brass barb.
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#6
10-18-2011, 08:52 AM
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Quote:
__________________
*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#7
10-18-2011, 08:55 AM
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Quote:
__________________
*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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