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a rough or unstable idle
fuel filters must be installed with the correct flow direction
start the engine in the water or with a proper flush attachment and verify a strong
Test the cooling system by running the engine in a barrel or on muffs
Carefully remove the engine cowling to access the carburetor
26-43035A4 Lower Unit Gearcase Seal Kit for Mercury Force | JLM Marine family-yamaha-f15celh a rough or unstable idleLower Unit Gearcase Seal Kit Fits Mercury & Force 30 125 HP Outboards OEM 26 43035A4 This comprehensive gearcase seal kit is designed for Mercury Mariner and Force outboard lower units, covering a wide range of models from 30 HP to 125 HP. Whether you're performing routine maintenance or a complete lower unit rebuild, this kit provides all the essential seals, gaskets, and O rings needed to ensure a proper seal and prevent water intrusion or gear oil