1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Repair Manual P/N 520205, Page 149Get this manual
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Thermostat Servicing DisassembIy
5 Inspect the vernatherm, diaphragm and cup, and spring for signs of corrosion heat damageReplace if necessaryAssembIy
1 Place the short spri