Description

Yamaha SX 190 1800 Jet Boat Engine 2016-2023

When it’s time to replace the heart of your jet boat, the Yamaha SX 190 1800 Jet Boat Engine (2016-2023) from REV6 delivers unmatched reliability and performance. Every engine is precision-built, tested, and backed by our industry-leading warranty, so you can ride with total confidence.

Engine Rebuild Features

• 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.

Why Choose REV6?

We don’t just rebuild—we re-engineer. From new and refurbished components to rigorous testing, our goal is to give you an engine that runs as strong and lasts as long as stock. Plus, our team is always available through our FAQ and contact page to make sure you have the answers you need. For first-time buyers, our help center covers shipping procedures and installation tips. And if you’re not sure which kit fits your needs, check out our Engine Rebuild Kit Guide.

Nationwide Shipping & Warranty

Every REV6 engine ships nationwide and is backed by a premium warranty. That means no matter where you ride, you’ve got the coverage you need and a team that stands behind your build.

Thank you for trusting REV6 with your Yamaha jet boat rebuild. We know your machine deserves the best, and we’re proud to build engines that keep you on the water longer.