Description
Jet pump performance depends entirely on seal integrity and bearing condition—once these wear, you’re looking at cavitation, efficiency loss, and potential water ingestion. This WSM repair kit restores your Yamaha jet pump to OEM specifications with precision-engineered components, eliminating leaks and restoring the responsiveness you expect. A proactive rebuild now prevents costly engine damage and keeps your watercraft performing at peak output.
- Fits Yamaha 003-630
- Includes replacement bearings
- Premium O-rings included
- Oil seals for dry operation
- Restores OEM specifications
- Bolt-on installation
- Complete repair solution
