I just purchased a 1988 52' hatteras which has a 20kw onan generator. The model number on the engine itself shows L-423D but it sounds like it is the same as the MDL-4. Does anyone know about this? I spoke with Cummins Cal pacific today and they are telling me that the generator and parts were...

I’ve got an original daven arm on my 58 Yachtfish .Does anybody know if the arms are extendable it looks like it’s got two pieces at the top in a bolt. Trying to reach the cockpit with it.

I have a 58LRC, and the PO told me about some "mystery water" that collects over time in the hull. He plumbed some tub8ng to a pump, and every 4 months or so he would pump a gallon or so out. The tubing goes down into a gap between the starboard side of the aft fuel tank and the hull. The hull...

Is the main benefit low vibration,smaller diameter?

My port engine tends to smoke on cold startup. It does clear up after a bit. The engine was rebuilt at about 1,500 hrs. according to the mechanic who did it, but that was a while ago. He doesn't remember all that was done. He just remembers rebuilding it (the downside of getting old) Currently the...

I had some guys here at the marina that said don't use liquid plumber in the heads. True? Also, I am thinking my trouble is in the line between the head and the tank. So if I put something like liquid plumber in the bowl would it even reach past the bowl? Thanks!

Revamping my sanitation system, using the fiberglass in keel tanks. Knowing these tanks are sensitive, is a pressure relief valve recommended? Here is an example of what I mean: https://marinesan.com/tanksaver-relief-valve/

Currently on a trip. Pulled in for the night. I can’t get the starboard engine to shut down. Turned the key off and hit the shut down button….no joy. Any ideas?