Description

Yamaha 242 S 1800 Engine Rebuild | Built for Jet Boat Performance (2020)

The Yamaha 242 S is designed for performance and comfort on the water, and its engine should deliver the same. That’s why REV6 offers the 242 S 1800 Jet Boat engine build core service for 2020 models. Our technicians remanufacture each engine with new and remanufactured parts and strict quality checks, so you enjoy dependable performance season after season.

REV6 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

Each Yamaha 242 S 1800 engine rebuild comes with our 1-Year Warranty as standard protection. You can also upgrade to our 2-Year No-Fault Warranty for maximum peace of mind.

Rebuilt the Right Way

At REV6, every engine is stripped down, carefully machined, and rebuilt using premium new and refurbished parts. With decades of combined experience, our master technicians follow strict procedures that go beyond OEM standards, ensuring you get a strong and reliable engine.

Build Core Engine – What to Expect

This Yamaha 242 S 1800 is a Build Core Engine. That means a solid, rebuildable core is required to serve as the foundation of your remanufactured engine. Your core is torn down, rebuilt, and refurbished before being shipped back to you.

If you’re unsure about core requirements, visit our Help Center or reach out to our team before ordering.

Take Action

Bring your Yamaha 242 S back to life with a precision REV6 rebuild. Review our FAQ, check out the Engine Rebuild Kit Guide, or contact us with questions. Nationwide shipping is included with every engine.

We truly appreciate you trusting REV6 with your rebuild — it’s riders and boaters like you who keep us pushing the limits of what a rebuilt engine can be.