Maintenance Kit – Fits Yamaha F2.5A/F4B/F5A/F6C Outboards (Replaces 6L5-44352-00)
Maintenance Kit – Fits Yamaha F2.5A/F4B/F5A/F6C Outboards (Replaces 6L5-44352-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Maintenance Kit – Fits Yamaha F2.5A/F4B/F5A/F6C Outboards (Replaces...
Maintenance Kit – Fits Yamaha F2.5A/F4B/F5A/F6C Outboards (Replaces 6L5-44352-00) is backordered and will ship as soon as it is back in stock.
Product Details
This Maintenance Kit – Fits Yamaha F2.5A/F4B/F5A/F6C Outboards (Replaces 6L5-44352-00) provides all the essential components for a complete 100-hour or annual service on Yamaha 4-Stroke outboards from 2.5 to 6 HP (2002–2014 models). Performing regular service helps maintain engine performance, reliability, and longevity.
This comprehensive kit serves as a direct replacement for Yamaha maintenance kits AMKITF2.5A, AMKITF4B, AMKITF5A, and AMKITF6C, ensuring all parts meet or exceed OEM specifications for a perfect fit and function.
- Designed for the scheduled 100-hour or annual service interval.
- Includes engine oil, gear lube, gaskets, filters, and spark plug.
- Parts are selected to match the specific requirements of each compatible engine model.
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is designed for the following Yamaha outboard models:
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F2.5A | 2.5 | 4-Stroke | 2002–2014 | AMKITF2.5A | 100-Hour/Annual Service |
| Yamaha | F4B | 4 | 4-Stroke | 2002–2014 | AMKITF4B | 100-Hour/Annual Service |
| Yamaha | F5A | 5 | 4-Stroke | 2002–2014 | AMKITF5A | 100-Hour/Annual Service |
| Yamaha | F6C | 6 | 4-Stroke | 2002–2014 | AMKITF6C | 100-Hour/Annual Service |
Technical Specs
- Product Type
- Maintenance Kit
- Fuel Type
- Gasoline
- Other Technical Attributes
- 100-Hour/Annual Service Kit
- Package Dimensions
- 9.0" L x 8.0" W x 6.5" H
What’s in the Box
- 1 x Engine Oil (Yamalube or Quicksilver 10W-30/10W-40/5W-30 4-Stroke Outboard Motor Oil)
- 1 x Oil Filter (Note: for F4B, F5A, F6C models only)
- 1 x Oil Drain Plug Gasket
- 1 x Lower Unit Gear Oil (Hypoid Gear Oil SAE 90)
- 2 x Gear Oil Vent & Plug Gaskets
- 1 x Drain Plug Gasket (Replaces Yamaha/Mercury/Mariner/Tohatsu/Parsun 90430-08003, 81987)
- 1 x Fuel Filter (Replaces Yamaha/Parsun 6L5-24251-00 for internal tank 2.5-4 HP)
- 1 x Spark Plug (NGK BR6HS for F2.5A, NGK CR6HSB for F4B/F5A/F6C)
- 1 x Star Brite Teflon Waterproof Grease
- 1 x Impeller (Replaces Yamaha/Parsun 6L5-44352-00 for F2.5A or equivalent for other models)
Installation Notes
- Always consult your owner's manual for detailed procedures and safety warnings specific to your engine.
- Run the engine for a few minutes to warm the engine oil and lower unit gear lube for easier draining.
- Position a drain pan and remove the engine oil drain plug and gasket. Allow oil to drain completely.
- Replace the oil filter (if applicable to your model) and install the new drain plug gasket with the plug.
- Refill the engine with the specified amount of new 4-stroke motor oil.
- Drain the lower unit gear lube by removing the vent and magnetic drain plugs. Inspect the old lube for metal shavings.
- Install new gaskets on the gear lube plugs and refill the lower unit from the bottom hole until lube flows from the top vent hole.
- Replace the spark plug, ensuring it is gapped correctly.
- Replace the internal fuel filter.
- Grease all fittings as specified in your manual using the included waterproof grease.
- Check all fluid levels and start the engine to check for leaks.
Troubleshooting & FAQ
How do I know if this kit fits my exact engine model?
This kit is specifically for Yamaha F2.5A, F4B, F5A, and F6C models from 2002 to 2014. Please verify your model and year using the compatibility table. If you are unsure, check the identification plate on your outboard's mounting bracket.
Does the kit include different parts for different engine models?
Yes. The kit is tailored to your engine. For example, it includes the correct NGK spark plug (BR6HS for F2.5A or CR6HSB for F4B/F5A/F6C), oil filter (for 4/5/6 HP models), and impeller for your specific application.
What is the recommended service interval for using this kit?
This kit is designed for the standard 100-hour or annual (once per year) service, whichever comes first. Regular maintenance is crucial for the performance and longevity of your 4-stroke outboard.
What are signs my outboard needs service?
Common indicators include difficulty starting, rough idling, reduced power, or unusual engine noises. If you see water or a milky color in your gear lube, it's a sign that seals need immediate attention. Adhering to the 100-hour/annual schedule is the best prevention.
Do I need any special tools for installation?
You will need standard mechanic's tools, including a socket set, a torque wrench for proper tightening of plugs, a spark plug socket, a gear lube pump, and an oil filter wrench if your model has a filter. Always refer to your service manual for specific tool requirements.
Is the oil in this kit equivalent to genuine Yamalube?
The kit may contain Yamalube or a high-quality equivalent like Quicksilver 4-Stroke Outboard oil. Both are premium-grade oils formulated for the marine environment and meet the warranty requirements for your engine.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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