Yamaha Outboard Service Kit – Fits Yamaha F200/F225/F250/F300 4-Stroke Models (Replaces AMKITF225B)
Yamaha Outboard Service Kit – Fits Yamaha F200/F225/F250/F300 4-Stroke Models (Replaces AMKITF225B) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This comprehensive Yamaha Outboard Service Kit provides all the necessary components for the regular 100-hour service on Yamaha F200/F225 3.3L V6 (2012+) and F225/F250/F300 4.2L V6 (2012+) four-stroke outboard engines. It simplifies routine maintenance by bundling all required filters, anodes, gaskets, and fluids into a single package.
This kit is a direct replacement for Yamaha service kit part number AMKITF225B.
- Includes all essential components required for standard 100-hour/annual service.
- Features a 10-micron fuel filter for superior fuel system protection.
- Component installation difficulty varies; professional installation is recommended.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | AMKITF225B |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This service kit is compatible with specific Yamaha four-stroke V6 models. Please verify your engine model and year before ordering.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F225B | 225 | 4-Stroke | 2012+ | AMKITF225B | 3.3L V6 |
| Yamaha | F200C | 200 | 4-Stroke | 2012+ | AMKITF225B | 3.3L V6 |
| Yamaha | F225C | 225 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 |
| Yamaha | F250A | 250 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 |
| Yamaha | F300A | 300 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 |
| Yamaha | LF225B | 225 | 4-Stroke | 2012+ | AMKITF225B | 3.3L V6 Counter-rotation |
| Yamaha | LF200C | 200 | 4-Stroke | 2012+ | AMKITF225B | 3.3L V6 Counter-rotation |
| Yamaha | LF225C | 225 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 Counter-rotation |
| Yamaha | LF250A | 250 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 Counter-rotation |
| Yamaha | LF300A | 300 | 4-Stroke | 2012+ | AMKITF225B | 4.2L V6 Counter-rotation |
Technical Specs
- Product Type
- Maintenance Service Kit
- Installation
- Varies by component
- Filtration Rating
- 10 micron (fuel filter)
- Fuel Type
- Gasoline
- Connection
- Various (OEM-specified)
- Length
- 32.0"
- Width
- 17.0"
- Height
- 17.0"
- Fitting Type
- OEM specification
- Thread Size
- Various (OEM-specified)
- Warranty
- Manufacturer standard warranty
- Other Technical Attributes
- Service kit contains all components needed for 100-hour/annual service
What’s in the Box
- 1 x Thermostat (Replaces 67F-12411-01)
- 1 x Anode kit
- 1 x Quicksilver High Performance Gear Lube SAE 90
- 1 x Fuel Filter (Replaces 6CB-24501-01)
- 1 x Spark Plug (Replaces NGKLFR6A-11)
- 1 x Star Brite Waterproof Teflon Grease
- 1 x Water Pump Repair Kit (Replaces 61A-W0078-A1-00)
- 1 x Oil filter (Replaces 69J-13440-03, 35-822626T7)
- 1 x VST filter (Replaces 63P-13915-00-00)
- 1 x Quicksilver FCW® 10W-30 4-Stroke Mineral Marine Engine Oil
Installation Notes
- Begin by draining the engine oil and replacing the old oil filter. Refill the engine with the new 10W-30 oil provided.
- Drain the gearcase lube, inspecting the magnetic drain plug for excessive metal shavings. Refill with the new SAE 90 gear lube.
- Replace all spark plugs, ensuring they are gapped according to your engine's specifications.
- Replace the primary external fuel filter and the internal VST (Vapor Separator Tank) filter.
- Inspect and replace the sacrificial anodes on the gearcase and engine brackets.
- Replace the water pump impeller, gaskets, and plate located in the lower unit.
- Replace the thermostat and its gasket to ensure proper engine operating temperature.
- Apply waterproof marine grease to all lubrication points, such as the propeller shaft and steering components.
- Once all components are installed, start the engine and check thoroughly for any oil, fuel, or water leaks.
Troubleshooting & FAQ
Which Yamaha models is this kit for?
This service kit is designed for Yamaha 3.3L V6 models (F200, F225) from 2012 and newer, and Yamaha 4.2L V6 models (F225, F250, F300) from 2012 and newer. Always check your engine's service manual to confirm compatibility before purchasing.
Is this everything I need for a 100-hour service?
Yes, this kit contains the essential filters, gaskets, spark plugs, anodes, and fluids required for a standard 100-hour or annual service as recommended by Yamaha. No other major components are typically needed for routine service.
How often should I use this service kit?
This kit is intended for your regular 100-hour service interval or annually, whichever comes first. Following this schedule is critical for maintaining engine performance, reliability, and warranty coverage. Refer to your Yamaha owner's manual for the precise schedule.
Some parts have different brand names. Is that okay?
Yes. The kit includes high-quality aftermarket components from reputable brands like Quicksilver and Star Brite, alongside Yamaha-equivalent parts. These are selected to meet or exceed OEM specifications for performance and reliability.
What are signs that a 100-hour service is overdue?
Signs that service is needed include reduced engine performance, lower top speed, poor fuel economy, difficulty starting, or unusual engine noises. Regular, preventative maintenance is the best way to avoid these issues and ensure reliability on the water.
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.
Payment & Security
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