This is a serviced bottom end assembly for Kawasaki Ultra 300/310 Jet Skis. Professionally serviced using genuine Kawasaki components, this bottom end is inspected, cleaned, and assembled to factory specifications.
The assembly includes assembled bottom end, stator cover, coupler, oil pump and sump, all checked and serviced to ensure reliability and smooth performance.
Ideal for riders looking to replace a damaged or seized bottom end without the cost of a full new engine.
* Suits Kawasaki Ultra 300/310 Jet Skis
* Complete serviced bottom end assembly
* Professionally inspected and serviced to OEM specs
* Ready to install for reliable performance
⚠️ Disclaimer / Important Information
* This is a serviced OEM bottom end assembly.
* While all components have been inspected, serviced, and assembled to OEM specification, this bottom end is used and serviced, not brand new.
* We recommend professional installation by a qualified technician. Incorrect installation may void warranty.
* Warranty is limited to workmanship of the rebuild only – damage caused by incorrect installation, tuning issues, or other outside influences is not covered.
