Yamaha - Water Pump Repair Kit - 9.9 15 - 682-W0078-A1-00

Overview

On these smaller Yamaha outboards, the water pump is something you stay ahead of, not wait on. When cooling starts to drop off, it doesn’t take long before it turns into a bigger issue. This kit makes it easy to service the pump properly without hunting down individual parts. It’s a solid go-to when you want to keep things running cool and dependable.

Key Features

• Complete Water Pump Service Kit – Includes essential components for a full pump rebuild.
• Cooling System Support – Helps restore proper water flow to maintain safe engine temperatures.
• OEM Matched Components – Designed to fit Yamaha cooling systems for reliable operation.
• Covers Multiple Engine Types – Works with both two stroke and four stroke configurations.

Engine & Boat Compatibility

Compatible with Yamaha 9.9 and 15 horsepower outboards across two stroke and four stroke models.

FAQ

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

Q: Does this kit work for both two stroke and four stroke engines?
A: Yes, it is designed to support both configurations within the listed models.

Q: How often should I service the water pump?
A: Typically once per season or every 100 hours, depending on usage.

Q: Is this important for saltwater use?
A: Yes, saltwater can wear down pump components faster, so regular service is key.

Q: Any installation tips?
A: Check the housing for wear and make sure all components are installed clean and properly aligned.

• Supersessions
  682-W0078-01-00, 682-W0078-00-00
• Engine Application
  • 9.9
  • 15