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I have a 2000/westerbeke Generator in my 380 Sundancer. When I start it up there is black soot that comes out of the exhaust port. What is the cause and Solution?

I have a 2000 380 Sundancer with Mercruiser 7.4 Horizon Engines. The parts manual calls out Mercruiser part no. 803991, NGK BR6FVX spark plugs. They have been discontinued. Can anyone tell me what a very good replacement plug is? Any issues with certain ones that I should stay away from...

I have always changed My impellers every 2 years. Question I have is: I have always changed them while in the water and ran the boat right away afterwards to check for leaks, etc. Has anyone ever done this while boat was stored in a building for winter? Thoughts? Good or bad idea?

I have a 2000 Searay 380 with 7.4 Hoizons with Hurth HSW 630 trannys. My question is. When the engines are running they have a rattling noise when in neutral at idle speed. The rattle appears to be in the tranny and happens on both engines. When you throttle up the noise goes away or when you...

I have a couple of questions for the 410 DA owners with 7.4 Gas engines. I have already, reached out to Stee6043 with these questions. But was wanting to hear feed back from other 410 owners with 7.4 Horizons. 1) Do you all like the performance? 2) Do they seem to be underpowered? Thanks in...

I Have twin 7.4 L M.P.I. engines and would like to install a fuel flow sensor. the questions that I have are. 1. can I hook the Lowrance EP-60R sensor directly to my NMEA plug on My Raymarine Chart plotter? 2. I obviously will need a sensor for each tank. Can I hook them to some sort of a...

I have A 1997 370 Sundancer, my problem is that when I took the boat out this weekend it was running fine, after being on the hook for several hrs. the boat started and ran fine until I throttled up, then the Starboard engine wouldnt go above 3000 RPM. when i got to the dock and put in neutral...

When you fill the Gas tanks on my 97 370 Sundancer gas will spray out of the tank vent when it gets close to full. There is no warning to tell you when it is full, It just sprays out all over the side of the boat. Anyone ever found a way to correct this issue? I hate the gas going down the side...

I have a 1997 370 Sundancer Has anyone ever removed the Bolster Below the upper cabinets in the Galley. Do I need to remove the Coffee maker and microwave to get it off. What about where it curves toward the wall near the Head I couldnt see any Screw holes there. Any insight would be Highly...

Can any one tell me What Spark plugs to use in my 1997 7.4L M.P.I. Bluewater engines? Also what the correct Gap is suppose to be. Thanks Chuck