Description

Complete +.25mm Engine Rebuild Kit for 2021-2022 Kawasaki Ultra LX Jet Skis

After your cylinders have been machined for +.25mm oversize pistons, selecting the right rebuild kit helps keep your project on track. Designed for 2021-2022 Kawasaki Ultra LX Jet Ski models, this complete engine rebuild kit provides the major components needed for a dependable rebuild while allowing you to reuse valves that remain within factory service specifications.

The +.25mm designation applies only to the piston kits. By replacing the crankshaft, connecting rods, bearings, timing components, and gaskets during one teardown, you can complete your rebuild more efficiently and reduce the chance of future engine disassembly.

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

Designed for Smart, Cost-Effective Rebuilds

If your cylinder head components are still within service limits, there’s no reason to replace them. This kit focuses on the components most commonly replaced during a complete engine rebuild, helping you restore reliability without purchasing unnecessary valve components.

• Install +.25mm piston kits after confirming cylinder dimensions.
• Replace the crankshaft and connecting rods during the rebuild.
• Renew crankshaft bearings before final assembly.
• Replace the oil pump chain and cam chain while the engine is apart.
• Complete the rebuild with a new gasket kit.

Compare Ultra LX Rebuild Options

If your cylinders remain at standard bore, compare the Ultra LX Complete Engine Rebuild Kit (STD).

If machining requires +.50mm oversize pistons, review the Ultra LX Complete Engine Rebuild Kit +.50mm.

If your engine also needs new intake and exhaust valves, upgrade to the Ultra LX Master Engine Rebuild Kit +.25mm.

If you’re comparing rebuild levels before ordering, review our Engine Rebuild Kit Guide.

Order with Confidence from REV6

Every REV6 engine rebuild kit includes a 1-year warranty and ships nationwide from our Utah facility. Review our Warranty Policy. Financing is available through REV6 Financing. If you have questions before ordering, Contact REV6. Our experienced team is ready to help you choose the right rebuild kit for your project.