Mercury 250 ProXS 3L Thermostat replacement

3 years ago
39
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I replaced both thermostats on my Mercury 250 ProXS. I used a small cooking pan for this and tested them on the stove to see if they were opening. One of them had a piece of wood that kept in the open or stuck open position. Motor had low water pressure and just was running poorly. After I flushed and replaced the thermostats my water pressure went back to normal and the motor ran great.

#MercuryProXS
#thermostat
#outboard maintenance
#HawkeyeMarine

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