Yamaha - Chrome Pump Kit - Water Pump Service Kit - 66T-W0078-0A-00

Overview

When it comes to keeping your Yamaha running cool, the water pump is one area you don’t cut corners on. I’ve seen plenty of engines come in overheating just because the pump components were worn out or pieced together. A complete kit like this takes the guesswork out of the job and makes sure everything works together the way it should. It’s one of those maintenance items that gives you peace of mind every time you fire up the motor.

Key Features

• Complete Pump Solution – Includes key components needed for a full water pump service.
• Restores Water Pressure – Helps bring cooling system performance back to proper levels.
• Durable Marine Materials – Built to handle constant water exposure and engine heat.
• Precision Matched Components – Designed to work together for proper fit and function.
• Ideal for Routine Service – Simplifies maintenance by replacing worn pump parts at once.

Engine & Boat Compatibility

• Designed for Yamaha outboard engines with water pump cooling systems
• Compatible with a range of small to mid-range horsepower models
• Suitable for both freshwater and saltwater applications
• Commonly used during scheduled water pump maintenance

FAQ

Q: When should I replace my water pump kit?
A: Most boaters replace it every season or every couple hundred hours, especially in heavy use.

Q: What are the signs my water pump is failing?
A: Weak water stream, overheating, or inconsistent cooling are the biggest warning signs.

Q: Is it better to replace the whole kit or just the impeller?
A: Replacing the full kit is the safer move since all components wear together over time.

Q: Can I install this kit myself?
A: Yes, if you’re comfortable removing the lower unit and following a step-by-step process.

Q: Does saltwater use affect how often I should service the pump?
A: Definitely. Saltwater use means more frequent inspections and replacements.