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Showing results for tags 'cooling system'.
Indmar monsoon 350 5.7 overheating. I can see no suction and no water through clear plastic flush pro valve. New raw water pump w new impeller, checked oil cooler little inlet screen, fresh water flush cap on back screwed on tight, inlet grill and hose is clear coming from bottom of hull. Thermostat looked a little stiff so i removed for troubleshooting. Not getting any water flow. Fresh water hose connected seems to work fine and engine stays cool... but probably working because of hose water pressure.
Hey guys, I recently got a 99 sportster with the 5.7 carb. engine. I was draining the water for winter and the plug on the port side of the block had a lot of metal flakes attached to it. Does the indmar 5.7 310hp engine have an internal water pump as well or is that just passageway deterioration? I have had issues with cooling this first year with the boat but I attributed it to a bad gauge or sensor. The raw water pump and impeller were replaced in the spring. Thoughts?
Hey guys! I have a quick question regarding the cooling system on my '94 echelon. il give you the back story first... So last weekend I bought my first boat, took it for a test drive and everything ran beautifully. I took it home, buffed the hall and tidied up some electrical over that week. The following weekend I took it out for my first time as a new boat owner. She was running a little rough (I realize now I wasn't giving the boat enough throttle/ fuel) Anyways took it for a quick loop to warm it up (about 1-2 minutes) and a alarm started going off, turns out the impeller went