Thanks to all those who walked me through cleaning the water jackets and replacing the thermostats. This immediately solved my over heating problems. Ooops...but now after working on the boat off and on for 6months I took it out for a spin. It runs fine up through 3500 rpms but then want to...
Thanks to all those who walked me through cleaning the water jackets and replacing the thermostats on my 1989 Saltwater 115 V4. This immediately solved my over heating problems. Ooops...but now after working on the boat off and on for 6months I took it out for a spin. It runs fine up through...
Re: Over Heating : Not Clogged Jackets
I just tapped the thermostats out. Wow, one of them is very clogged up with crud. It's also off of the side of the motor that was overheating. I'll bet this was the main issue. Let me see if I can attach a photo.
I greatly appreciate everyones advice on removing the water jackets and cleaning them out to resolve an overheating problem on my '97 Yamaha 115. Well, I just pulled the jackets off and pealed the gaskets off. It appears to me that they are not coroded at all. There are a few small rust spots...
My 1999 115 Yamaha overheat alarm is going off and the motor is dropping to safe RPM's after about 3 to 4 minutes of running. Is it possible that the heat sensor(s) is bad? I was told that there may be some blockage or scale buildup where the water runs through the head. Is there any way to...
