I live in Florida and have posed this question to different manufacturers and have not been able to get an answer. I leave my boat in salt water and for the last 2 years I have used Blue Water Marine Shelter Island bottom paint. I do not like it at all. It still allows barnacles slime and any...
I have an 87 Mercury 90hp 3 cyl. The last two outings I was registering up to 16.5v while under throttle. Normally I had been getting around 13.5. I had found a dead battery before the last 2 outings and replaced it and now I have the higher voltage. It is also registering the same voltage on...
I have a 1987 90 hp 3cyl. Friday when we were starting a trip into the Gulf of Mexico we got out about 3 channel markers from shore. When I hit the throttle it hit about 6000 rpms and we were barely moving about 5mph. Not knowing the area very well we decided to head back to port and called it a...
I have an 87 90hp and the automatic oiling system has been removed by a previous owner. I just rebuilt the fuel pump and the book says there is supposed to be a check valve on the front of the fuel pump. The problem is one opening had been closed off with a cap and the other has a 90 degree...
I recently purchased a 40 hp Johnson with an OMC wiring harness. It has an 8 pin red coupling. It has been cut and I am going to replace it with my mercury 50 that runs real good. Does anyone know which wire colors go where or where to find the info? I think it is a 1990 or so vintage. The...