Yamaha - Water Pump Repair Kit - Cooling System Service - 696-W0078-00-00

Overview

On older 2-stroke Yamaha motors like the E48, keeping the cooling system in top shape is key to avoiding overheating and extending engine life. This water pump repair kit gives you everything needed to refresh the pump and restore proper water flow. Over time, components like the impeller and gaskets wear down, reducing efficiency. Replacing them as a complete kit helps bring the system back to reliable operation so your engine stays cool and runs smoothly every time you're on the water.

Key Features

• Complete Pump Rebuild Kit – Includes essential components to restore water pump performance.
• Improves Cooling Efficiency – Helps maintain proper water flow to prevent overheating.
• OEM Yamaha Components – Designed to factory specs for proper fit and durability.
• Ideal for Routine Maintenance – Perfect for servicing older 2-stroke cooling systems.

Kit Includes

• Cartridge Insert – 663-44322-40-00
• Impeller – 6H3-44352-00-00
• Water Pump Gasket – 663-44315-A0-00
• Cartridge Outer Plate – 670-44323-00-00
• Cartridge Gasket – 663-44324-A0-00
• Bolts (Qty 2) – 97095-08055-00
• Bolts (Qty 2) – 97095-08045-00
• Water Seal Damper – 663-44366-00-00
• Woodruff Key – 90280-03M03-00

Engine & Boat Compatibility

• E48 - 1995-2000

FAQ

Q: What does this water pump kit do?
A: It rebuilds the water pump to restore proper cooling system performance.

Q: When should I replace the water pump components?
A: Typically every season or every 100 hours, especially on older engines.

Q: What are signs the water pump needs service?
A: Weak tell-tale stream, overheating, or inconsistent cooling.

Q: Is this a complete kit?
A: Yes, it includes all key components needed for a full pump rebuild.

Q: Is installation difficult?
A: It requires basic mechanical knowledge and access to the lower unit.

• Supersessions
  670-W0078-A0-00, 670-W0078-00-00
• Engine Application
  • E48 - 1995-2000