Description

Yamaha 190 FSH 1800 Jet Boat Engine 2016-2019 Rebuild

Your Yamaha 190 FSH 1800 deserves an engine that performs reliably season after season. At Rev6, our rebuild process goes far beyond a simple replacement. Every engine is fully upgraded, precision-machined, and inspected by experienced technicians to deliver strength and dependability on the water.

Premium Features & Upgrades

• Upgraded forged crankshaft assembly for better oil flow and long-term durability
• Brand-new cylinder assembly for smooth, OEM-level operation
• Forged nitride valves built for high-RPM reliability with less wear
• Manganese bronze valve guides that last longer than traditional steel
• Re-machined cylinder head — decked, shimmed, and leak-down tested for a tight seal
• Heat-resistant valve stem seals that withstand extreme temperature changes
• Factory-spec camshafts to keep engine timing precise
• Upgraded main and balance shaft bearings for smoother performance
• Heavy-duty timing and oil pump chains for extra strength under load
• Complete oil pump assembly and chain tensioner for consistent lubrication
• Precision-machined engine cases, fully tested for cracks, wear, and strength

Core Requirement

⚠️ Core Required: A rebuildable core must be returned. After your purchase, we’ll send a box, prepaid label, and schedule pickup. Just remove your exhaust and sensors, and we’ll take care of the rest. Learn more in our Help Center.

Warranty Options

Every engine comes with a free 1-year warranty. Want maximum protection? Upgrade to our 2-year no-fault warranty for total peace of mind—it covers nearly any situation and keeps you on the water longer.

Why Rev6

We combine upgraded components, expert machining, and rigorous inspections to ensure every Yamaha rebuild delivers superior performance. For financing, visit our Financing Page. To learn more about engine rebuild options, check our Engine Rebuild Kit Guide or explore our Core Program.

Still have questions? Visit our FAQ page or contact our team. We’ll help you get your Yamaha back in the water fast.

Thank you for trusting Rev6 with your Yamaha 190 FSH 1800 rebuild. Place your order today and get back to confident boating.