Yamaha - Water Pump Repair Kit - Cooling System Service Kit - 6H3-W0078-01-00

Overview

The Yamaha Water Pump Repair Kit | 6H3-W0078-01-00 is one of those kits you keep on hand if you want to stay ahead of cooling issues. When the pump starts wearing out, you’ll notice weak water flow or rising temps, especially at idle. This kit gives you everything you need to refresh the water pump in one go instead of piecing it together. If you’re doing routine maintenance or rebuilding the cooling system, this is the kind of job that saves headaches later.

Key Features

• Complete Pump Service Kit – Includes key components needed to rebuild and restore water pump performance.

• OEM Fit Precision – Designed to match Yamaha specifications for proper fit and reliable operation.

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

• Durable Marine Components – Built to handle heat, friction, and harsh marine environments.

Engine & Boat Compatibility

• C60 Present
• E60 Present
• P60 Present
• 70 1992-1996

FAQs

Q1: When should I use a full repair kit instead of just replacing the impeller?
A: If the housing, plates, or seals show wear, it’s better to replace everything at once.

Q2: What are signs the water pump needs rebuilding?
A: Weak water stream, overheating, or inconsistent cooling performance are common signs.

Q3: Does this kit include everything needed for the job?
A: Yes, it includes the main internal components required to service the pump.

Q4: Is this a routine maintenance item?
A: Yes, water pump service is typically done annually or every 100 hours.

Q5: Is installation difficult?
A: It requires removing the lower unit, but it’s a standard job for most outboard setups.

• Engine Application
  • C60 - Present
  • E60 - Present
  • P60 - Present
  • 70 - 1992 to 1996