I hope this helps someone because there is such a lack of helpful info/examples online for these little motors. Pretty simple once you remove the Air intake casing (2 screws). Thermostat is in this highlighted circle (Starboard side of motor)
Watch the videos. My boat gets hauled out and serviced this week :>(
https://www.google.com/search?q=replace+the+thermostat+in+a+Suzuki+DF25A+outboard
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