2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Repair Manual P/N 5005990, Page 169Get this manual

2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Repair Manual P/N 5005990, Page 169

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POWERHEAD COOLING SYSTEM
Thermostat Service
Removal
Disconnect water hose

thermostat cover
Remove two screws, thermostat cover, and thermostat12
Th ermometer