Description

Engine 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.

Compatibility

Fits Yamaha 242 LTD S 1800 Jet Boat Engine – 2016 through 2019 model years.

Warranty Coverage

Every REV6 engine comes with a 1-Year Premium Warranty. You can also choose our 2-Year No-Fault Warranty for added confidence. Either way, your investment is protected by the best coverage in the industry.

Rebuilt the Right Way

Each engine is hand-assembled by a master technician and carefully checked by another. With over five decades of combined experience, REV6 builds engines that consistently outperform stock.

Build Core Engine – What to Expect

This is a Build Core Engine. A solid, rebuildable core must be supplied. Our process includes full disassembly, machining, and a rebuild with new and remanufactured parts to restore performance.

Not sure about core requirements? See our Help Center or contact our team before ordering.

Take Action

Restore your Yamaha 242 LTD S 1800 Jet Boat with confidence. Check our FAQ for details or review the Engine Rebuild Kit Guide for other options. Nationwide shipping comes standard on all REV6 engines.

Thank you for trusting REV6 with your rebuild — we’re proud to stand behind every engine we build.