Description

Yamaha FX SHO 1800 WaveRunner Engine

Need a new engine for your Yamaha FX SHO? We’ve got you covered with a remanufactured build that’s made to perform.

This engine is a Build Core Engine that we rebuild using your supplied core. Each motor goes through a complete teardown, expert inspection, precision machining, and full reassembly using new and remanufactured components. That means more reliability, more peace of mind, and more time on the water.

Whether you’re chasing speed or just want dependable weekends at the lake, this engine delivers long-lasting performance backed by real experience.

What’s Included in Your Engine Build

• 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 Options

We back every engine with solid coverage so you can ride worry-free:

• 1-Year Warranty Included – Standard protection on all builds
• 2-Year No-Fault Warranty Upgrade ($450) – Full replacement, no questions asked

Read the full terms in our Warranty Policy.

Core Requirements for This Build

This listing is for a Build Core Engine, meaning you must send us a complete, rebuildable engine core. Your core must not have major cracks, excessive damage, or missing parts.

If you’re unsure about your core, visit our FAQ or Contact Us before you order. You can also learn more about shipping procedures and what to expect here.

Why Choose a REV6 Remanufactured Engine?

• Built by certified technicians with over 50 years of combined experience
• Every engine is assembled and inspected by two separate master techs
• Trusted by WaveRunner riders, mechanics, and racers nationwide
• Fast shipping across the U.S., delivered straight to your shop or dock

Take Action Now

• Order Your FX SHO 1800 Engine Today
• Reach Out to Us with core or fitment questions
• Need help comparing kits? Read our Engine Rebuild Kit Guide