thermostat

I was out on the water last weekend and noticed my port temp gauge acting weird. Started out fine, warmed up to 170 degrees, idled around for a while and all was good. Then rather abruptly, the gauge went to all the way to cold...slowly climbed back to 170 and repeated the process over and...

I need to replace the digital thermostat. Does anyone know what OEM brand they used? Is there another aftermarket alternative? Thanks!

My 2008 310 raw water cooled (port side) engines has overheating problem. It started overheating only when operated at high RPM. I replaced the thermosat last week but now the temp starts to slowly climb up even I put the engine idle. The computer shows the water pressure normal (1.3 PSI). I...

Hello to all this is my first post. I'm not sure if this is the right forum or not for this topic but here goes. I purchase my first boat late last summer a 1987 Sea Ray Seville 17BR. So far it's been a good purchase and my wife and I are loving the boating experience. Sea Ray is a quality...

I have a 7.4 liter that is RWC. It appears that it uses a 140 deg thermostat. For those of you with a similar setup, how long does it typically take to get up to operating temperature? I start the boat and let it idle for about 5-10 minutes before departing, and typically if I stay in at...

Hello All, Thanks in advance for any troubleshooting advice.... I bought a 2003 260 Sundancer last year and had a lot of trouble with overheating. A lot of things were tinkered with by a mechanic last year but eventually we decided it was a temperamental thermostat, because the problem...