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.

Premium Features & Upgrades

• Upgraded Forged Crankshaft Assembly – Designed for stronger oil flow and long-term durability.
• Brand-New Cylinder Assembly – OEM-level fit ensures smooth, consistent performance.
• Forged Nitride Valves – Built to handle high RPMs while reducing wear.
• Manganese Bronze Valve Guides – Outlast traditional steel guides and cut down oil consumption.
• Re-machined Cylinder Head – Decked, shimmed, and leak-down tested for a flawless seal.
• Heat-Resistant Valve Stem Seals – Built to withstand extreme heat without failing.
• Factory-Spec Camshafts – Keep your timing dialed in for top-end efficiency.
• Upgraded Main & Balance Shaft Bearings – Engineered for smoother, longer-lasting operation.
• Heavy-Duty Timing & Oil Pump Chains – Extra strength in critical areas.
• Complete Oil Pump Assembly & Chain Tensioner – Delivers steady lubrication and consistent performance.
• Precision-Machined Engine Cases – Inspected for cracks, wear, and overall strength.

Every Yamaha SX 190 engine also comes with a full gasket and seal kit, making installation straightforward and reliable.

Why Choose REV6?

We don’t just rebuild—we re-engineer. From upgraded components to rigorous testing, our goal is to give you an engine that runs stronger and lasts longer than 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.