Yamaha - Water Pump Repair Kit - Cooling System Service Kit - 63V-W0078-03-00

Overview

When it’s time to service the water pump, a full kit like this is the way to go instead of piecing everything together. These Yamaha repair kits include the core components needed to restore proper water flow and keep the engine running cool. If you’re seeing weak telltale flow or just doing routine maintenance, this is one of those jobs that pays off right away. It helps keep the cooling system reliable and prevents bigger issues down the line.

Key Features

• Complete Water Pump Service Kit – Includes essential components for a full pump rebuild.

• Restores Cooling Performance – Helps bring back proper water flow and engine temperature control.

• OEM Yamaha Components – Built to factory specifications for proper fit and reliability.

• Preventative Maintenance Solution – Ideal for routine service to avoid overheating issues.

Engine & Boat Compatibility

• Compatible with select Yamaha outboards that utilize these water pump repair kits (confirm fitment by model and year)

FAQ

Q: What does this repair kit include?
A: Typically includes impeller, gaskets, plates, and hardware needed for water pump service.

Q: How often should I use a kit like this?
A: Usually every 1–2 years depending on usage and conditions.

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

Q: Is it better to replace everything at once?
A: Yes, replacing all wear components together ensures reliable performance.

• Supersessions
  63V-W0078-00-00, 63V-W0078-01-00, 63V-W0078-02-00, 63V-W0078-04-00, 63V-W0078-04-00