Description

Yamaha 252 FSH Sport 1800 Engine Rebuild | Built for Jet Boat Performance (2021–2023)

The Yamaha 252 FSH Sport is designed for performance and comfort on the water, and its engine should deliver the same. That’s why REV6 offers the 252 FSH Sport 1800 Jet Boat engine build core service for 2021–2023 models. Our technicians remanufacture each engine with new and remanufactured parts and strict quality checks, so you enjoy dependable performance season after season.

Our 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.

Warranty Coverage

Your Yamaha 252 FSH Sport 1800 engine rebuild includes our 1-Year Warranty. Want added confidence? Upgrade to our Platinum 2-Year No-Fault Warranty for unmatched protection on the water.

Rebuilt the Right Way

At REV6, we don’t just repair — we completely remanufacture. Every engine is torn down, inspected, and precision-machined to restore performance. The result? A strong, long-lasting rebuild that keeps your Yamaha running season after season.

Build Core Engine – What to Expect

This Yamaha 252 FSH Sport 1800 is a Build Core Engine. That means we require a rebuildable core as the starting point. Once received, our technicians refurbish and machine it to strict standards before shipping it back ready to install.

Not sure if your core qualifies? Visit our Help Center or contact us for guidance before placing your order.

Take Action

Trust REV6 to deliver power, reliability, and unmatched quality for your Yamaha jet boat. Review our FAQ, check our Engine Rebuild Kit Guide, or reach out to our team for more details. Every order includes nationwide shipping.

Thank you for choosing REV6 — we take pride in earning your trust and building engines that go the distance.