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Silver thing is thermostat housing no? Brown thing I think your talking about is end of heat exchanger. Gas tank is kicker tank nothing to do with big motor.
Appreciate all the help on here. Have more pics and can explain what I’ve done. As mentioned lower unit down and it drained and it’s still down. Removed back plug on heat exchanger clear water ran out. Also plug at bottom of exhaust elbow nothing came out. Plug still off. Can see the blue...
120 hp Mercruiser 1973. At the end of the heat exchanger closest to the stern there were two plugs. I removed the back one and fresh water came out. I’m assuming that drained the heat exchanger. So check to be sure about power steering and that should do it. Thanks in advance
120 hp Mercruiser 1973. At the end of the heat exchanger closest to the stern there were two plugs. I removed the back one and fresh water came out. I’m assuming that drained the heat exchanger. So check to be sure about power steering and that should do it. Thanks in advance
Have never drained this for winter. Outdrive down it's empty. Closed cooling system so where all do I drain fresh water out of. Arrows on the pic for location would be great. Thanks
Changing my starter noticed a wire with insulation rotting off on my 1966 120 hp Mercruiser with a 1974-1976 alpha outdrive. The wire is one of two going through the transom directly behind the Center of the engine and goes into the outdrive. I’m assuming they are for the trim tilt switch...
But will ask anyways. These trim tabs didn't have hose clamps where the hose attaches to the cylinder. I'd my leak there as simple a fix as put a hose clamp on?
I have a complete 120hp mercruiser setup prop to front engine pulley installed in a boat now. Have a chance for a better boat with a blown 470. If I completely strip the 470 down to the bare transom will there be any issues besides front motor mounts? Or is there more potential problems? I...