Description

Yamaha SX 240 HO 1800 Jet Boat Engine Build Core 2013–2015

When it’s time to restore the performance of your Yamaha SX 240 HO, you need an engine that’s built to outlast and outperform. REV6 delivers precision-built SX 240 HO 1800 Jet Boat engine build cores for 2013–2015 models. Each engine is remanufactured by skilled technicians and tested to ensure OEM-level compatibility with long-term durability.

Premium Features & Upgrades

• Every REV6 engine is completely disassembled, machined, and rebuilt with upgraded components for superior performance. This engine includes:
• Upgraded Forged Crankshaft Assembly – Improved oil flow, strength, and durability
• Brand-New Cylinder Assembly – Engineered for OEM compatibility
• High-Strength Forged Nitride Valves – Increased wear resistance under high RPMs
• Manganese Bronze Valve Guides – Longer life and reduced oil consumption
• Fully Rebuilt & Machined Cylinder Head – Decked, shimmed, and leak-down tested
• Heat-Resistant Valve Stem Seals – Designed to handle extreme temperatures
• Factory-Spec Camshafts – Optimized for timing and efficiency
• Upgraded Main & Balance Shaft Bearings – Increased reliability and strength
• Heavy-Duty Timing & Oil Pump Chains – Built for long-term operation
• Complete Oil Pump Assembly & Chain Tensioner – Maintains efficient oil circulation
• Thoroughly Inspected & Machined Engine Cases – Tested for cracks and wear

Build Core Engine – Important Notice

This listing is for a Build Core Engine. It is not a ready-to-install motor. We require a complete, rebuildable core that will serve as the foundation for remanufacturing. Cores must be free from cracks, excessive wear, and missing components in order to qualify.

For details about shipping and acceptable cores, review our Help Center.

Warranty Protection

Every REV6 engine is backed by our trusted coverage:

• 🛠 1-Year Warranty Included – Confidence built into every engine.
• 🛠 2-Year No-Fault Warranty Option – For $450, total coverage with no questions asked.

See our warranty policy for full details.

Expert Craftsmanship & Testing

Each engine is assembled by one experienced technician and then inspected by another before shipping. With decades of combined expertise, our team ensures every jet boat engine we ship nationwide meets or exceeds OEM standards.

Need help deciding between rebuild kits? Check our Engine Rebuild Kit Guide.

Still have questions? Visit our FAQ page or contact our team for personalized support.