Description
Yamaha SX 240 HO 1800 Jet Boat Engine 2016–2020
Upgrade your watercraft with a professionally remanufactured Yamaha SX 240 HO 1800 engine built for reliability and performance. Every engine is precision-crafted, inspected, and tested to ensure it meets or exceeds OEM standards. Backed by our warranty coverage, you can ride with total confidence.
What This Engine Includes
- Standard No-Fault 1-year warranty with an optional 2-year No-Fault Warranty upgrade.
- We restore and reuse as many OEM parts as possible. We inspect and refurbish all OEM parts to guarantee high quality internals that keep your machine running reliably.
- All components are cleaned, dismantled, inspected and repaired as needed.
- Cylinder head inspected, cleaned, sandblasted, decked, rebuilt to manufacturer spec and undergoes a quality inspection.
- Valve guides inspected and replaced as needed.
- Valves and valve seats are recut/refaced to ensure tight seal, verified with vacuum test.
- Camshafts lobes and journals cleaned and polished, replaced as needed.
- Refurbished crankshaft.
- Cylinder block is inspected for damage. If the bore is worn or damaged, requiring replating or sleeving, there will be additional fees incurred.
- Pistons replaced with a new pistons and rings.
- Timing chain inspected for stretch and wear, replaced as needed.
- Fully inspected engine cases, tested for cracks, holes, or excessive wear.
- All gaskets and seals replaced.
- Engine assembled and torqued to manufacturer specifications.
Once your engine passes our quality control inspection, we will ship your new Rev6 rebuilt engine back to you!
Note: This is a generalized list and may include more or less, depending on the needs for your specific model or core.
Quality You Can Trust
Our team of skilled technicians goes beyond a basic rebuild. Each Yamaha SX 240 HO 1800 engine is carefully assembled, tested, and refined to deliver superior reliability on the water. Plus, every purchase comes with nationwide shipping and access to our expert support team through the FAQ section and contact page.
Take Action
Trust REV6 to keep your Yamaha jet boat running stronger than ever. Not sure which kit or engine is right for you? Check out our engine rebuild kit guide or visit the help center for shipping and order details.
Thank you for trusting us with your rebuild — we know how much your time on the water means, and we’re proud to help keep you out there doing what you love.













