Put the boat back in the water after being out for nearly a year. Had to put in a new trim and tilt unit. Put the engine on muffs and started it up and was okay - but didn't see it peeing - but water was coming out of the prop - ran it for less than a minute. Next day I put her in the water and the engine started up quickly and idled smoothly but wasn't peeing - friend said accelerate it - I did and got good water flow out of the telltale. Took her on a test run which ended after about 5-10 mins with an overheat warning. Waited for 10 plus minutes till I got the go ahead beep beep when I turned the key on - engine started with no problem and as the boat started moving I accelerated slowly and saw water from the telltale accelerated and ran it at about 3K for 5 mins before overheat warning sounded - turned off the engine and brought her back to the marina on my trolling motor. Once in the dry storage pulled my thermostats and they looked crusted - but think it well could be the poppet valve. Plan is to replace the thermos and get a new poppet valve kit and install it. Put in a complete new lower unit in the late fall of 2022 which included a new water pump and impeller. The engine ran great from Nov 2022 till May 2023 when the trim and tilt went out. Took me 3 months and alot of aggravation to get the tri lobe pin out - think it was the original. After that other factors ie vacation and weather issues kept me from completing the work. So now first time out and Im back under the cover and trying to resolve the cooling system issue. Any advice is appreciated.
