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Ensure all bolts are torqued to the manufacturer's specification
1999-2006 Mercury 125hp EFI Saltwater Optimax models (Blue/Red variants)
this kit corresponds to Johnson/Evinrude part numbers 391635
Carefully lower the unit and disconnect the shift shaft if necessary
please cross-reference your engine model with the "Compatible Engine Models" table on this page
Thermostat Kit (160°F/71°C) – Fits OMC Cobra & Volvo Penta 3.8-7.5L V6/V8 (Replaces 383307, 18-3653) family-yamaha-175txrr Ensure all bolts are torquedThermostat Kit (160F 71C) Fits OMC Cobra & Volvo Penta 3. 8 7. 5L V6 V8 This thermostat kit is designed for a wide range of OMC Cobra and Volvo Penta sterndrive engines. It fits V6 and V8 models from 3. 8L to 7. 5L (90 454HP) manufactured from 1968 and up, ensuring proper engine operating temperature for optimal performance and efficiency. This kit serves as a direct replacement for multiple part numbers, including Sierra 18 3653, OMC 383307 and
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