Yamaha - Water pump repair kit - 6GR-W0078-01-00 supercedes 6GR-W0078-00-00

An outboard’s cooling system is its lifeline, keeping temperatures in check and ensuring smooth, uninterrupted performance. The Yamaha Water Pump Repair Kit (6GR-W0078-01-00) is designed specifically for the Yamaha XTO 425 (2018 & newer), delivering everything needed for a complete pump rebuild. Over time, wear on key components like the impeller and seals can lead to overheating, reduced efficiency, and costly repairs—this kit helps prevent those issues before they start.

What Makes This Kit Essential?

• Full System Refresh – Includes a cartridge insert, impeller, O-rings, outer plate, dowel pins, bolts with washers, and a key for a complete water pump overhaul.
• Maximizes Cooling Efficiency – Restores proper water circulation, preventing overheating and protecting engine components.
• OEM-Quality Durability – Genuine Yamaha parts ensure a precise fit, long-term reliability, and optimal performance in tough marine conditions.

Ideal For:

• Routine Maintenance – A proactive replacement during service intervals to extend engine life.
• Troubleshooting Overheating Issues – Replacing worn pump components can quickly resolve low water pressure or fluctuating temperatures.

Don’t wait for cooling issues to sideline your time on the water. The Yamaha Water Pump Repair Kit (6GR-W0078-01-00) keeps your XTO 425 running cool, strong, and ready for the next adventure.