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Yamaha | 20 Hour Service Kit | F40 / F40B | 2001-2008

Complete your Yamaha F40 or F40B 20 hour break-in service with a maintenance kit built around Yamalube 20W-40 FC-W outboard engine oil. Designed for Yamaha F40 and F40B models produced from 2001 through 2008, this kit includes the essential components required to refresh engine lubrication, service the lower unit, and maintain primary fuel filtration.

The 20 hour service is an important milestone that helps support long-term reliability and performance. Replacing engine oil and the oil filter removes initial wear particles, while fresh gear lube and new drain gaskets help maintain proper lower unit sealing and lubrication. This bundled kit keeps everything organized so you can complete maintenance efficiently with confidence.

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What’s Included in This Kit

• 3 x LUB-20W40-FC-12 – Yamalube 20W-40 Outboard Mineral 4M FC-W Engine Oil (Quart)
• 1 x 5GH-13440-70-00 – Yamaha Outboard Oil Filter
• 1 x 65W-24251-10-00 – Yamaha Primary Fuel Filter Element
• 1 x ACC-GEARL-UB-QT – Yamalube Marine Gear Case Lube Oil (32 oz.)
• 2 x 90430-08003-00 – Yamaha Outboard Lower Unit Drain Gaskets
• 1 x 90430-14M09-00 – Yamaha Oil Plug Drain Gasket
• 1 x ACC-PUMP0-00-QT – Yamaha Gear Lube Pump

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Why This Kit Matters

• Break-in protection: Fresh 20W-40 oil and a new filter support proper internal lubrication.
• Correct oil quantity: Three quarts provide appropriate oil capacity for F40/F40B service.
• Fuel system care: A new primary fuel filter element supports clean fuel delivery.
• Lower unit reliability: Fresh gear lube supports smooth shifting and gear protection.
• Leak prevention: New drain gaskets help maintain proper sealing after service.

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Service Notes

• Designed for Yamaha F40 and F40B outboards produced from 2001 through 2008.
• Replace drain gaskets during each fluid service interval.
• Use the included pump to simplify lower unit gearcase filling.
• Dispose of used oil and gear lube according to local environmental regulations.

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FAQ

Is this kit correct for all 2001–2008 Yamaha F40 and F40B models?
Yes. This kit is configured for Yamaha F40 and F40B outboards produced within those model years.

Why are two lower unit drain gaskets included?
Most lower units use sealing washers at both the drain and vent screws, allowing both to be replaced during service.

Does this include enough oil for a complete oil change?
Yes. Three quarts of Yamalube 20W-40 meet the typical oil capacity requirements for F40/F40B maintenance.