Superseded from 68V-W0078-00-00.. Yamaha - Water Pump Repair Kit Cooling System Service Kit 68V-W0078-01-00. Overview. The Yamaha Water Pump Repair Kit 68V-W0078-01-00 is one of those maintenance items you don't put off if you want your engine running cool and reliable. On motors like the F115 and F90B, once the pump starts wearing out, you'll notice it in weak water flow or rising temps pretty quickly. This kit gives you everything needed to refresh the pump instead of chasing individual parts. If you're doing scheduled service or fixing cooling issues, this is the right way to handle it.. Key Features. • Complete Pump Rebuild Kit - Includes essential components needed to restore full water pump function.. • OEM Fit Precision - Built to Yamaha specifications for proper alignment and dependable operation.. • Restores Cooling Efficiency - Helps bring back strong, consistent water flow and stable engine temperatures.. • Durable Marine Components - Designed to handle heat, friction, and c