Description
2003-2007 Kawasaki Jet Ski STX-12F +.25mm Master Top End Rebuild Kit
This Kawasaki 2003-2007 Jet Ski STX-12F +.25mm Master Engine Top End Rebuild Kit gives you the replacement parts needed when your top end needs more than pistons and gaskets alone. With intake and exhaust valves included, this kit is a strong fit for a more complete top-end rebuild.
It works well for mechanics, shops, and hands-on owners rebuilding 2003-2007 Kawasaki Jet Ski STX-12F engines. REV6 also backs this kit with a 1-year warranty and offers nationwide shipping.
What This Kit Includes
- Piston Kits +.25mm
- Complete Gasket Kit
- Intake/Exhaust Valves
Technical Support & Build Guidance
If you are comparing rebuild options before you buy, check out our engine rebuild kit guide. It helps sort through kit levels, so you can choose the right setup for your Jet Ski STX-12F build.
Because this kit includes +.25mm piston kits, our piston and ring installation guide is a helpful resource during assembly. If you are looking for a larger oversize option, compare this package to the Kawasaki 2003-2007 Jet Ski STX-12F +.50mm Master Engine Top End Rebuild Kit.
Warranty & Support
REV6 backs this rebuild kit with a 1-year warranty on parts. For coverage details, read our warranty policy. If you need help with fitment or choosing the right kit, check the FAQ or contact our team.
Fitment
This kit fits 2003-2007 Kawasaki Jet Ski STX-12F models.
Take Action
When your Jet Ski STX-12F needs fresh +.25mm pistons, valves, and gaskets, get the right replacement parts lined up and keep your rebuild moving. Pick up this REV6 master top end rebuild kit today and use nationwide shipping to keep the job on track.













