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Yamaha XF425 300 Hour Service Maintenance Kit - Yamalube 10W-30 Full Synthetic - All Models

Keep your Yamaha XF425 outboard ready for dependable performance with this 300 Hour Service Maintenance Kit. Designed for all XF425 models, this kit includes the main service components needed for a more complete maintenance interval, including engine oil, oil filtration, HD lower unit service items, fuel filtration, spark plug replacement, thermostat service, and cooling system maintenance.

Built around Yamalube 10W-30 Full Synthetic FC-W marine engine oil and Yamalube HD marine gear case lube, this bundle helps simplify scheduled maintenance by pairing the correct lubricants with Yamaha service parts, O-rings, thermostats, NGK Laser Iridium spark plugs, fuel filtration components, and a Yamaha water pump repair kit. It is a practical way to stay organized during 300 hour service without sourcing each item separately.

Key Features

• Complete 300 hour service kit for all Yamaha XF425 outboard models
• Includes Yamalube 10W-30 Full Synthetic FC-W marine engine oil for dependable lubrication
• HD marine gear case lube helps support lower unit protection under high-load operation
• Yamaha oil filter, primary fuel filter, O-rings, circlip, thermostats, and water pump repair kit included
• 10-micron fuel water separating filter helps protect the fuel system from water and debris
• NGK Laser Iridium spark plugs help support strong ignition and smooth performance
• Cooling system components help support proper operating temperature and water flow
• Bundled package helps make larger scheduled maintenance intervals easier and more organized

What This Kit Contains

• Qty 1: N26-13440-03-00 - Yamaha F225 F250 F300 4.2L F350 V8 VF200 VF225 VF250 Oil Filter
• Qty 1: 93210-34633-00 - Yamaha O-Ring (2HF)
• Qty 1: 93420-36M01-00 - Yamaha R-Type Circlip
• Qty 1: QBL-10W30-FS-12 - Yamalube 10W30 Outboard Mineral 4M FC-W Marine Engine Oil Quart
• Qty 2: QBL-10W30-FS-04 - Yamalube 10W30 Outboard Mineral 4M FC-W Marine Engine Oil Gallon
• Qty 1: 6P3-WS24A-02-00 - Yamaha Primary Fuel Filter - F150 VF200 VF225 VF250 F200 F225 F250 F300 F350
• Qty 3: ACC-GLUBE-HD-QT - Yamalube 4.2L V6 V8 VMAX SHO Marine Gear Case Lube Oil HD
• Qty 1: MAR-10MEL-00-00 - Yamaha Outboard 10-Micron Fuel Water Separating Filter
• Qty 1: 93210-19123-00 - Yamaha O-Ring
• Qty 2: 93210-09350-00 - Yamaha O-Ring
• Qty 8: PV746291 - NGK Laser Iridium Spark Plugs, ILMAR7E9
• Qty 1: 6GR-W0078-01-00 - Yamaha Water Pump Repair Kit
• Qty 2: 6GR-12411-00-00 - Yamaha Thermostat
• Qty 1: 66M-12411-01-00 - Yamaha Thermostat - F60 T60 F50 T50 F40 F15 F4 F6 F8 F9.9
• Qty 1: 6H3-12411-20-00 - Yamaha Thermostat

Engine Compatibility

• Yamaha XF425 – All Models

Why Choose a Complete Service Kit?

A complete service kit makes larger maintenance intervals easier by keeping the required service items together in one package. It helps reduce the chance of missing important parts, saves time during prep, and gives DIY boat owners and professional technicians the core components needed before service begins.

Performance Benefits

Routine 300 hour maintenance helps protect the systems your XF425 depends on most. Fresh engine oil supports internal lubrication and helps reduce wear. Replacing oil and fuel filters helps keep contaminants away from key engine systems. New Laser Iridium spark plugs support dependable ignition and efficient combustion. HD gear lube helps protect lower unit gears and bearings under load, while the thermostats and water pump repair kit help support proper cooling system performance.

FAQ

Is this kit compatible with all Yamaha XF425 models?
Yes. This kit is designed for all Yamaha XF425 outboard models.

Is this a complete 300 hour service kit?
Yes. It includes engine oil, oil filter, fuel filters, spark plugs, O-rings, circlip, drain gaskets, HD gear case lube, thermostats, and a water pump repair kit.

Why does this kit include HD gear lube?
HD gear lube helps provide added lower unit protection for high-output outboards operating under heavier loads and demanding conditions.

Does this kit include cooling system service parts?
Yes. This kit includes Yamaha thermostats and a water pump repair kit to help support cooling system maintenance.

Why are Laser Iridium spark plugs included?
Laser Iridium spark plugs help support reliable ignition, efficient combustion, and consistent engine performance.