Water Pump Impeller Repair Kit – Fits Yamaha F40/F70 4-Stroke (Replaces 6CJ-W0078-00/6CJ-W0078-01-00) 2.5-5 2-Stroke F300BETU/BETX (4

F300BETU/BETX (4

Start the engine and observe belt tracking to ensure it's centered in the grooves and running smoothly

5 Other Technical Attributes Anti-Drain-Back Valve What’s in the Box

Common symptoms include the engine overheating at normal speeds

Clean all mating surfaces of old gasket material and corrosion

Water Pump Impeller Repair Kit – Fits Yamaha F40/F70 4-Stroke (Replaces 6CJ-W0078-00/6CJ-W0078-01-00) 2.5-5 2-Stroke F300BETU/BETX (4Product Details This Water Pump Impeller Repair Kit is engineered for Yamaha F40 and F70 4 Stroke outboard engines manufactured between 2011 and 2016 (models 6CY1 6CY7 and 6CJ1 6CJ7). It provides all necessary components to restore your engines cooling system to factory level performance, ensuring optimal reliability and preventing overheating issues. It serves as a direct replacement for Yamaha part numbers 6CJ W0078 00 00 and 6CJ W0078 01 00, and