Description

Bring Your Kawasaki Mule SX FI 4×4 XC LE Back to Full Strength

The Kawasaki Mule SX FI 4×4 XC LE is designed for dependable utility work, whether it’s maintaining property, hauling equipment, or tackling daily chores. If the engine has become difficult to start, is using oil, or has lost compression, rebuilding your original engine can help extend the life of your Mule.

Our Build Core service begins with your rebuildable engine. After it arrives, we inspect the core, complete the necessary machining, rebuild the engine to specification, and perform a final quality inspection before it ships back to you.

Service Snapshot

• Service: Build Core Engine Rebuild
• Fits: Kawasaki Mule SX FI 4×4 XC LE FJ400 (2019–2023)
• Core Required: Yes
• Warranty: 1-Year No-Fault Warranty Included
• Optional Coverage: 2-Year No-Fault Warranty Available
• Financing: Available
• Shipping: Nationwide with tracking information provided

Rebuild Service Includes

• Complete engine core inspection
• Crankshaft and connecting rod inspection
• Cylinder bore machined and honed as needed
• New piston and piston rings
• Complete gasket kit
• New oil seals and valve guide seals
• Cylinder head service with valves ground and valve lash adjusted
• Final quality inspection before shipment

Before the Rebuild Begins

A rebuildable Kawasaki Mule SX FI 4×4 XC LE FJ400 engine core is required for this service. Once your engine arrives, we’ll inspect it to confirm its condition before rebuilding begins.

If you’re unsure whether your engine qualifies, Contact REV6. We’ll answer your questions before you send in your core.

Warranty & Financing

Every rebuilt engine includes our 1-Year No-Fault Warranty. For additional protection, you can also choose the optional 2-Year No-Fault Warranty.

Review complete coverage on our Warranty Policy. Flexible payment options are available on our Financing page.

Working on the Engine Yourself?

If you’re planning your own repair, browse our Kawasaki Mule engine parts and rebuild kits. Our Engine Rebuild Kit Guide can also help you compare available rebuild options.

When You’re Ready, We’re Ready

Place your order whenever it fits your schedule, send us your rebuildable engine core, and we’ll keep you informed throughout the rebuild process until it’s on its way back.

Eligible veterans and active-duty military members are encouraged to ask our team about available REV6 discounts before completing their order.