YAMAHA OEM XTO 425 450 XF425 XF450 V8 5.6L Outboard Oil Change Lower Unit HD Gear Case Lube Kit Drain Fill Gaskets Primary Fuel Filter Maintenance Kit

Dominate offshore waters with confidence by maintaining your Yamaha XTO 425 / XF425 5.6L V8 4-stroke outboard (2018+) with this premium, all-in-one maintenance kit. Purpose-built for these extreme-duty V8 engines, it includes genuine Yamaha components for a complete engine oil change, lower unit HD gear lube service, and primary fuel filter replacement—delivering world-class protection, reliability, and performance in harsh marine conditions.

Yamalube 4M FC-W 10W-30 provides superior lubricity, corrosion resistance, and resistance to fuel dilution, exceeding NMMA standards with Yamaha's proprietary additives. This kit supports 100-hour/annual services, helping prevent wear, maintain power, and extend engine life on high-demand applications.

Kit Includes (Genuine/OEM Where Specified):

• 9 Quarts Yamalube 4M FC-W 10W-30 Outboard Engine Oil — Mineral-based, NMMA FC-W certified for exceptional marine protection, shear stability, anti-corrosion, and high-rev performance in demanding environments.
• 1 Genuine Yamaha Oil Filter — OEM precision filtration to keep oil clean and engine protected.
• 1 Genuine Yamaha Engine Oil Drain Gasket — Ensures a secure, leak-free seal on the drain bolt.
• 2 Quarts Yamalube HD SAE 90 Lower Unit Gear Lube — Heavy-duty formula for superior gear, bearing, and water resistance protection.
• 3 O-Rings / Lower Unit Drain Gaskets — Durable seals (including fill/drain) to prevent leaks post-service.
• 1 Genuine Yamaha Primary Fuel Filter — Traps contaminants for clean fuel delivery and system reliability.
• 1 PWCParts Gear Lube Quart Pump — Enables clean, efficient lower unit filling (supports in-water changes via Yamaha's exclusive system).
• 1 PWCParts Oil Change Reminder Decal — Convenient reminder for tracking service intervals.
• 1 PWCParts Disposable Funnel — Spill-free tool for easy oil addition.

Applications: Fits ALL Yamaha 2018 and newer XTO 425 / XF425 5.6L V8 4-stroke outboards (including XF425, related variants). (Note: Confirm your exact model, serial number, and year before purchase. Not for other XTO displacements like 450hp variants without verification, or non-XTO models.)

Why Choose This Kit?

• Packed with 100% genuine Yamaha OEM parts (oil, filter, gaskets, fuel filter) for perfect fit, factory performance, and warranty compliance.
• Comprehensive bundle saves time and cost vs. sourcing separately.
• HD gear lube upgrade offers enhanced protection for offshore/heavy-use demands.
• Includes practical extras for a clean, professional DIY service—leveraging Yamaha's in-water gear lube change convenience.
• Promotes peak power, fuel efficiency, corrosion resistance, and long-term durability.

Important Notes: Engine oil capacity is approximately 7.8–8.2 US quarts (with filter change)—9 quarts ensure a full refill with reserve (fill gradually, run engine, and check level). Lower unit capacity is around 1.95–2.06 quarts—2 quarts HD provide complete service. Always refer to your Yamaha owner's manual for exact procedures (including in-water gear changes), level checks (engine warm/level), capacities, and intervals. Professional service recommended for V8 models if unsure. Verify fitment or contact us with questions prior to ordering.

Order today to keep your Yamaha XTO 425 V8 running strong, reliable, and offshore-ready!