Yamaha - Water Pump Repair Kit - Cooling System Service Kit - 6EE-W0078-01-00

Overview

If there’s one thing I stay on top of with Yamaha outboards, it’s the water pump. I’ve seen too many motors run hot just because the pump wasn’t serviced in time. This kit is what you reach for when you want to refresh everything and know it’s done right. Install it, and you can head back out knowing your cooling system is ready to handle the load.

Key Features

• Complete Pump Service Kit – Includes essential components needed to restore water pump performance.
• Strong Cooling Water Flow – Helps maintain proper circulation to keep engine temperatures in check.
• Durable Marine-Grade Parts – Built to handle debris, heat, and constant water exposure.
• Restores Pump Efficiency – Brings cooling performance back to proper operating condition.
• Factory-Matched Fitment – Designed to work seamlessly with Yamaha cooling systems.

Engine & Boat Compatibility

Designed for Yamaha outboard engines requiring a water pump service kit within the cooling system. Commonly used across small to mid-range Yamaha outboards in recreational and utility boats. Suitable for freshwater and saltwater environments where dependable cooling performance is essential.

FAQ

Q: What are signs the water pump needs rebuilding?
A: Weak water stream, overheating, or inconsistent cooling are the most common signs.

Q: How often should I replace the water pump components?
A: Typically once a year or every 100 hours, depending on usage and conditions.

Q: Any tips for installing this repair kit?
A: Install the impeller in the correct rotation and use a little lubrication during assembly.

Q: How does saltwater affect the water pump?
A: Salt and sand can wear components faster, so regular flushing and maintenance are important.

Q: Can a worn water pump cause serious engine damage?
A: Yes, lack of proper cooling can lead to overheating and major engine issues if ignored.