Description

2004-2006 Kawasaki Jet Ski STX-15F Engine Rebuild Service

This Kawasaki Jet Ski STX-15F Engine Rebuild Service fits 2004-2006 models. REV6 rebuilds your engine core with teardown, inspection, machine work, assembly, and final quality checks before we ship it back to you.

This service works well when your Jet Ski STX-15F needs more than a basic repair. Also, freight shipping both to and from REV6 is included in the listed price.

Core Required

This is a core-required engine rebuild service. You must send a rebuildable engine core to REV6 before we can complete the rebuild.

After purchase, our team will contact you with freight shipping and label details. Before shipment, remove outside parts from your engine and follow the prep steps from REV6.

If you have questions about core prep, freight shipping, or what needs to come off the engine first, visit the Help Center or contact REV6.

What Your Engine Rebuild Includes

• Standard 1-year no-fault warranty
• Optional 2-year no-fault warranty upgrade
• Full engine core inspection
• Crankcase inspection
• Crankshaft rebuild and balance work as needed
• New high-babbitt crankshaft bearings
• Cylinders bored and honed to the next oversize or re-sleeved as needed
• New pistons, rings, and wrist pins
• Rebuilt cylinder head
• Valve guides checked and replaced as needed
• Valves and seats recut or refaced
• Vacuum test to confirm valve seal
• Camshafts cleaned, checked, and polished
• Mating surfaces decked and resurfaced
• Timing chain checked and replaced if needed
• New gaskets and oil seals
• Bearings cleaned, checked, and replaced where needed
• Engine assembled by a master technician
• Final quality check before shipment
• Double inspection guarantee, with one tech building and another checking the work

Quality Control Standards

Before any Kawasaki Jet Ski STX-15F engine leaves REV6, our team checks the details that matter. We verify clearances, sealing surfaces, timing alignment, and final assembly. As a result, your rebuilt engine gets the kind of shop-level inspection needed for long service life on the water.

Warranty & Support

This engine rebuild service includes a 1-year no-fault warranty. You can also upgrade to 2-year no-fault coverage for more protection. Review the full details on our warranty policy page.

For common questions about shipping, cores, and rebuild services, check the FAQ. Also, for more rebuild tips, visit the REV6 blog or watch more from our team on the REV6 YouTube channel.

Fitment

This rebuild service fits 2004-2006 Kawasaki Jet Ski STX-15F engines.

Take Action

If your Kawasaki Jet Ski STX-15F engine has failed, send your core to REV6 and let our team rebuild it the right way. Start your engine rebuild service today and get ready to head back to the water with confidence.