Description

2003-2007 Kawasaki Jet Ski STX-12F +.25mm Engine Rebuild Kit

This Kawasaki 2003-2007 Jet Ski STX-12F +.25mm Engine Rebuild Kit gives you the replacement parts needed for a serious engine rebuild. With the crankshaft, rods, oversized pistons, chains, gaskets, and bearing components grouped together, this kit helps get your rebuild lined up with the parts that matter.

It is a strong fit for mechanics, shops, and hands-on builders working on 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

• Crankshaft
• Connecting Rods
• Piston Kits +.25mm
• Complete Gasket Kit
• Oil Pump Chain
• Cam Chain
• Crankshaft Ball Bearing
• Crankshaft Outer Bearings
• Crankshaft Bearing Inner Bearings
• Crankshaft Main Bearing
• Connecting Rod Bearings

Technical Support & Build Guidance

If you are comparing rebuild options before you buy, check out our engine rebuild kit guide. It helps break down kit levels and makes it easier to 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 useful resource to keep nearby during assembly. If you need a larger oversize option, compare this package to the Kawasaki 2003-2007 Jet Ski STX-12F +.50mm Engine 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 oversize 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 a full rebuild with +.25mm pistons, get the right replacement parts lined up and keep your watercraft project moving. Pick up this REV6 engine rebuild kit today and use nationwide shipping to keep the job on track.