Hello. Does anyone know if the old school analog (needle) tachs are adjustable? AC brand gauge, mid 80's vintage. Electric, coming from the sychro. I finally got sick of the needle jumping around and replaced the cable. Smooth as silk, but 200 off. Perhaps there is an adjustment on the...

It is that time of the year that I replace the zincs on my Detroit Diesels. However, I am thinking about the wisdom of doing so. Over the past 25 years or so, the only time I have ever had a problem with a motor running warm, it has been as a result of old zincs stuck in the raw water circuit of...

Getting ready to remove the fins and replace seals and inspect the bearings. Water has been getting past the seals on the port side for 30 days. My question is how much effort should be required to rotate the fins in place ,to check the feel of the bearings? Presently They do not move with the...

Manual steering just quit..wheel spins free both helms, tank is full of fluid, autopilot works fine...any clues ???

I have had rplacement windows made by Waterway Systems in Sarasota, Fl--941-752-3554--and there design is superior to the old Hatteras design for sliding windows. The widow frames were powder coated to my boat color. They did an excellent job. They ship world wide and make windows for model...

Which holding tank on a 1981 53my does the centre head (guest stateroom head) discharge into.There are 2holding tanks - the rear one in the generator room and the other under the forward stateroom

Hey guys, I have 12v71tis. I live in Boston and am shrink wrapped for the winter. We are live a boards so my boat is heated. Some have told me to run my engines once every couple of weeks for a half hr or so while others have said not to so I'm not sure what is best. Any thoughts? Thanks.

Looking for help, 1978 58 MY galley up, shore power red indicator light number 3 does not light when shore power connected. no. 1 2 and 4 operate normally red light on when shore power connected , however at no. 3 position power is working on the boat, I found 2, 240 volt 3 amp Buss fuses blown...

I regret I did not take the photograph of it to post but i shall next weekend. On my 1980 DD 6-71 NAs I have some sort of contraption on the raw water line going from the heat exchanger exit to the exhaust gas mixing elbow that i have no clue what it is for. It is plastic tube about 6 inches in...