YAMAHA OEM XTO 425 450 XF425 XF450 V8 5.6L Outboard 05W30 4M Full Synthetic Oil Change Kit Engine Drain Gasket Lower Unit Gear Case HD Lube w/Drain Fill Gaskets Fuel Filter Maintenance Kit N26-13440-02-00

Elevate offshore performance and protection for your Yamaha XTO 425 / XF425 / XF450 / 450 (5.6L V8) 4-stroke outboard (2018+) with this premium full synthetic maintenance kit. Featuring Yamalube 4M Full Synthetic 5W-30 FC-W oil—Yamaha's best marine oil—it offers increased lubricity for lower friction (potentially improving fuel economy), superior cold-start flow, all-climate versatility, and exceptional resistance to corrosion, wear, and fuel dilution in extreme marine conditions.

This comprehensive kit covers full engine oil changes, lower unit HD gear lube services, primary fuel filter replacement, and drain/fill gaskets using genuine Yamaha OEM parts. Perfect for 100-hour/annual maintenance or high-demand offshore use, it supports peak power, reliability, and engine longevity.

Kit Includes (Genuine/OEM Where Specified):

• 9 Quarts Yamalube 4M FC-W 5W-30 Full Synthetic Outboard Engine Oil — NMMA FC-W certified full synthetic with Yamaha-exclusive additives for enhanced lubricity, potential fuel savings, excellent all-climate lubrication, and top-tier marine protection.
• 1 Genuine Yamaha Oil Filter (N26-13440-02-00 or supersession) — OEM precision for clean oil and extended engine life.
• 1 Genuine Yamaha Engine Oil Drain Gasket — Leak-proof seal for secure draining.
• 2 Quarts Yamalube HD SAE 90 Lower Unit Gear Lube — Heavy-duty formula for robust gear, bearing, and water resistance in demanding conditions.
• 3 O-Rings / Lower Unit Drain/Fill Gaskets — Durable seals to prevent leaks after service.
• 1 Genuine Yamaha Primary Fuel Filter — Traps contaminants for clean fuel flow and system reliability.
• 1 PWCParts Gear Lube Quart Pump — Enables clean, efficient filling (ideal for in-water changes on XTO models).
• 1 PWCParts Oil Change Reminder Decal — Convenient 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 / XF450 / 450 5.6L V8 4-stroke outboards (including XF425, XF450, related variants). (Note: Confirm your exact model, serial number, and year before purchase. Not for non-XTO models or different displacements.)

Why Choose This Kit?

• Loaded with 100% genuine Yamaha OEM parts (oil, filter, gaskets, fuel filter) plus premium full synthetic 5W-30 for superior V8 performance.
• All-in-one bundle saves time and cost over individual purchases.
• HD gear lube upgrade delivers extra protection for offshore/heavy-load demands.
• Includes practical tools for mess-free, professional-grade DIY service (supports Yamaha's in-water gear lube change feature).
• Enhances power, efficiency, cold-weather starts, and long-term durability.

Important Notes: Engine oil capacity is approximately 7.8L / 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 cover 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 V8 powered up with full synthetic excellence!