Description

Yamaha 242 LTD 1800 Engine | Jet Boat Rebuild (2016)

This Build Core Engine is remanufactured for the 2016 Yamaha 242 LTD jet boat. Once we receive your core, we fully disassemble the engine, inspect every part, machine to factory specs (or better), and rebuild it using new and refurbished internals. The result? A powerful, reliable marine engine made to go the distance.

Whether you’re running full throttle or cruising the lake, this engine gives you the confidence to push your boat without worrying about performance or longevity.

What’s Included in Your 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.

Compatibility

Yamaha 242 LTD 1800 Jet Boat Engine – 2016 model year.

Warranty

All REV6 engines include our 1-Year Premium Warranty as standard protection. For maximum peace of mind, you can choose our 2-Year No-Fault Warranty for extended coverage. We stand behind every build with the best warranty in the industry.

Rebuilt the Right Way

Each Yamaha 242 LTD engine is hand-assembled by a master technician and verified by another to ensure accuracy. Because our crew brings over 50 years of combined powersports expertise, every REV6 build is designed to match stock engines in both performance and reliability.

Build Core Engine – What to Expect

This is a Build Core Engine. A solid, rebuildable core is required to start the process. Your core will be stripped, machined, and rebuilt with new and refurbished parts for restored performance and long life.

Have questions about your core? Visit our Help Center or get in touch with our team before ordering.

Take Action

Restore your Yamaha 242 LTD 1800 with confidence. Check our FAQ or use our Engine Rebuild Kit Guide for more information on available options. All engines ship nationwide for your convenience.

Thank you for choosing REV6 to handle your rebuild — we’re proud to earn your trust and deliver a stronger, longer-lasting engine.