Description

Yamaha 255 FSH Sport H 1800 Jet Boat Engine Build Core 2024–2025

The Yamaha 255 FSH Sport H is built for strength and versatility on the water. When the engine starts to wear out, REV6 provides a better option. Our 255 FSH Sport H 1800 Jet Boat engine build core for 2024–2025 models is fully remanufactured with upgraded parts. Furthermore, each engine is tested for reliability and backed by proven warranty protection. As a result, you get an engine that performs as good—or better—than new.

What’s Included in the Rebuild:

• 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.

Build Core Engine – Important Details

This listing is for a Build Core Engine. It is not a ready-to-install motor. Our team requires a complete, rebuildable core to remanufacture. For this reason, your core must be intact, free of major cracks, and without missing components.

Meanwhile, you can review our Help Center to learn about shipping procedures and acceptable core guidelines.

Warranty Protection

Every REV6 engine is protected with solid warranty coverage:

• 🛠 1-Year Warranty Included – Confidence standard with every build
• 🛠 2-Year No-Fault Warranty Option – Add for $450 and receive full replacement coverage, no questions asked

For example, you can review full coverage details anytime in our warranty policy.

Expert Quality Control

Our skilled technicians assemble each engine, and another expert inspects the work before shipping. In fact, this double-check process ensures accuracy and reliability. With over 50 years of combined powersports experience, the REV6 team delivers engines that last. Finally, you can order with confidence knowing your build has been tested and verified.

Need help understanding rebuild options? Start with our Engine Rebuild Kit Guide.

Still have questions? Browse our FAQ page or contact us directly for support.