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Unscrew the bolts on the water pump housing and slide it up the driveshaft to expose the impeller
Replace the Joint: Remove the old carburetor joint and any gasket material
18-2001 – Oil Seal (OEM 330137) – Qty: 2
A: If your propeller spins freely without engaging forward/reverse thrust
As a direct replacement for Mercury part numbers 26-830749 and the superseded 8M0204693
663-44315-A0 Water Pump Impeller Gasket for Yamaha | JLM Marine family-yamaha-25esr Unscrew the bolts on theWater Pump Impeller Gasket Fits Yamaha 2 Stroke 4050 HP Outboards This water pump impeller gasket is engineered to fit Yamaha 2 stroke outboard engines ranging from 40 HP to 50 HP across multiple years and series. It provides a reliable seal for your water pump assembly, ensuring optimal cooling performance and preventing leaks in your marine outboard system. This gasket directly replaces Yamaha OEM part number 663 44315 A0, offering seamless
