Start the engine and carefully inspect for any water or exhaust leaks around the new installation
manual Foot-Operated Water Pump provides a simple and reliable hands-free water source for marine boats
so it's best to replace it if you notice any structural issues
one of the primary functions of this hydrofoil is to reduce or completely eliminate porpoising by providing stabilizing lift at the stern of the boat
Carefully lower it to gain access to the water pump
Water Pump Repair Kit – Fits Yamaha F30, F40 (Replaces Yamaha 6BG-W0078-00-00, 6BG-W0078-01-00, Sierra 18-3490) 140HP Start the engine and carefullyProduct Details This Water Pump Repair Kit Fits Yamaha F30, F40 Outboard Motors contains all necessary components to restore your engine's cooling system. It is designed for Yamaha 3040 HP 4 stroke models from 20082017, including F30, F40, and T25 High Thrust variants, ensuring reliable performance for a range of applications. This kit is a direct replacement for Yamaha part numbers 6BG W0078 00 00, 6BG W0078 01 00, and Sierra 18 3490. Engineered for