Description

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

The Yamaha 242 S E-Series is designed for performance and comfort on the water, and its engine should deliver the same. That’s why REV6 offers the 242 S E-Series 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.

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 242 S E-Series 1800 engine rebuild includes our 1-Year Warranty. Want even more protection? Upgrade to our 2-Year No-Fault Warranty for unmatched peace of mind.

Rebuilt the Right Way

Every REV6 rebuild goes far beyond a standard repair. Our technicians fully disassemble, inspect, and machine each component to meet OEM standards. The result is a strong and longer-lasting engine you can trust on the water.

Build Core Engine – What to Expect

This Yamaha 242 S E-Series 1800 is a Build Core Engine. That means we require a rebuildable core as the foundation. We tear it down, rebuild with new and refurbished components, and ship it back.

If you’re not sure about your core’s eligibility, check our Help Center or contact us before placing your order.

Take Action

Give your Yamaha 242 S E-Series the power and reliability it deserves with a REV6 rebuild. Review our FAQ, read the Engine Rebuild Kit Guide, or reach out to our team for details. Every order includes nationwide shipping.

Thanks for trusting REV6 with your engine rebuild — we’re proud to keep riders and boaters running stronger, season after season.