1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 226Get this manual
Thermostat Servicing -
Disassembly
1Remove screws retaining thermostat coverRemove cover and gasket
rn or corrosion.thermostat assembly and inspect for heat dam2Remove age
Assembly
1Insert the pin into the vernatherm with the convex end of the pin facing out2Position vernatherm in sealPosition retainer and spring in thermostat housingAssemble halves