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Old 10-26-2011, 11:18 PM
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boater8987 boater8987 is offline
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Join Date: Jul 2010
Boat: Maristar 240 425HP BBC/36 Spectre Cat 1400HP 130MPH/32 Glasstream CC Twin 300HP Verado/Cougar FTD Basscat 20' 225 Merc Pro XS
Location: southeast
Posts: 84
I had the same problem on my Prostar 190 when I first bought it. I removed manifolds and risers. Used a small oxy-acetalene rig and heated them up and unscrewed them because they will strip the centers out if stuck or it breaks off a peace of the plug. You can heat the plugs first then heat around them. Also good time to take risers off and clean and inspect both riser and manifolds. Clean sand,wire brush and repaint exterior and install these drains with plastic hose on them long enough to stick through drain plug hole so no rusty water drains into bilge. Also replace motor drains with easy drains and hose too. http://www.skidim.com/prodinfo.asp?number=MCM000 Then put back together with new gaskets and new bolts.
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