blue handle

I opened the blue One-Point valve on my raw water cooled Alpha One 5.0 in the water at the marina and was eventually surprised to hear the automatic bilge pump. The boat was sinking. I raised the outdrive but the water flow out of the one point valve in the bilge at bow end did not stop...

I'd like to suggest that you pull the bilge plug and turn the blue handle of one-point winterization before you park your raw water cooled boat in anticipation of full winterization. This should drain the water/coolant from your engine. Water expands with metal cracking force if trapped in a...