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1998 150 efi mercury outboard motor thermostat

L

lana briggs

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the peehole does not have a st

the peehole does not have a strong stream of water. i took out the thermostats and it is working like it should now. is it safe and ok to leave the thermostats out?
 
absolutely not engine needs to

absolutely not engine needs to run @ temp expecially for computer to know what is going on you will not burn all your fuel coking will start around rings exaust soot will build up foul plugs ecet.. when the thermostats reach tempature then you get a good hot pee stream then they cool as water passes and then close repete continuosly through operation i suggest you install them and use a infered heat gun to check your temp on top of each head if you think there is a problem
 
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