Description

Premium Features & Upgrades

• Upgraded Forged Crankshaft Assembly – Improved oil flow and added strength for long-term durability.
• Brand-New Cylinder Assembly – OEM-level fit ensures smooth, reliable performance.
• Forged Nitride Valves – High-RPM reliability with reduced wear.
• Manganese Bronze Valve Guides – Outperform standard steel for longer service life.
• Re-Machined Cylinder Head – Decked, shimmed, and leak-down tested for a precision seal.
• Heat-Resistant Valve Stem Seals – Withstand extreme heat without hardening or leaking.
• Factory-Spec Camshafts – Keep timing dialed in for consistent performance.
• Upgraded Main & Balance Shaft Bearings – Built for smoother, longer-lasting operation.
• Heavy-Duty Timing & Oil Pump Chains – Extra strength where it counts most.
• Complete Oil Pump Assembly & Chain Tensioner – Ensures reliable lubrication and long-term dependability.
• Precision-Machined Engine Cases – Inspected and tested for cracks, wear, and strength.

Warranty Coverage

Every Yamaha 252S 1800 rebuild includes our 1-Year Warranty. For extended coverage, upgrade to the Platinum 2-Year No-Fault Warranty for unmatched peace of mind on the water.

Rebuilt with Precision

At REV6, we don’t just patch engines — we completely remanufacture them. Each Yamaha 252S engine is torn down, inspected, and precision-machined to eliminate weaknesses. The result is a stronger, longer-lasting rebuild you can count on season after season.

Build Core Engine Details

This Yamaha 252S 1800 is a Build Core Engine. A rebuildable core is required as the foundation. Once we receive your core, our technicians machine and upgrade it to REV6 standards before sending it back ready for installation.

Not sure if your core qualifies? Check our Help Center or contact us for guidance before ordering.

Take Action

Trust REV6 to keep your Yamaha 252S running stronger, longer. Review our FAQ, check out the Engine Rebuild Kit Guide, or reach out to our team for expert help. Every order ships nationwide.

We appreciate your trust in REV6. Every rebuild we ship is built with the same care and pride as if it were going into our own machine.