Yamaha - Water Pump Repair Kit - 6H3-W0078-02-00 - 60 C60 P60 70 C70 T50 T60Yamaha Water Pump Repair Kit 60 C60 P60 70 C70 T50 T60 6H3 W0078 02 00 Overview The Yamaha Water Pump Repair Kit 6H3 W0078 02 00 is one of those kits you grab when you want to bring the cooling system back to full strength instead of just swapping the impeller. On these mid range outboards, once water flow starts dropping off, it usually means more than just one part is worn. This kit gives you the core components to rebuild the pump and restore