Starter Motor Assembly – Fits Yamaha Outboard 115-250HP V4/V6 (Replaces 99999-03938-00)
Starter Motor Assembly – Fits Yamaha Outboard 115-250HP V4/V6 (Replaces 99999-03938-00) 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 is a replacement Starter Motor Assembly – Fits Yamaha Outboard 115-250HP V4/V6 (Replaces 99999-03938-00) for Yamaha 2-stroke V4 and V6 outboard engines from 115HP to 250HP, covering models from 1990 through 1999.
It serves as a direct interchange for Yamaha part numbers 99999-03938-00, 6N7-WS818-01-00, 61H-81800-00-00, 61H-81800-01-00, 6N7-81800-00-00, 6N7-81800-01-00, 6K7-81800-10-00, 69W-81800-00-00, and 6E5-81800-12-00.
- Installation Type: Direct bolt-on replacement
- Operating Voltage: 12V DC systems
- Package includes one complete starter motor assembly.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 99999-03938-00 |
| Yamaha | 6N7-WS818-01-00 |
| Yamaha | 61H-81800-00-00 |
| Yamaha | 61H-81800-01-00 |
| Yamaha | 6N7-81800-00-00 |
| Yamaha | 6N7-81800-01-00 |
| Yamaha | 6K7-81800-10-00 |
| Yamaha | 69W-81800-00-00 |
| Yamaha | 6E5-81800-12-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha engines, verify that your model and year range match the specifications to ensure proper fitment.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 115TJR | 115 | 2-Stroke | 1997–1999 | 99999-03938-00 | V4 engine |
| Yamaha | 115TLR | 115 | 2-Stroke | 1997–2010 | 99999-03938-00 | V4 engine |
| Yamaha | 130TLR | 130 | 2-Stroke | 1997–2004 | 99999-03938-00 | V4 engine |
| Yamaha | 150TXR | 150 | 2-Stroke | 1990–1999 | 99999-03938-00 | V6 engine |
| Yamaha | 175TXR | 175 | 2-Stroke | 1990–1999 | 99999-03938-00 | V6 engine |
| Yamaha | 200TXR | 200 | 2-Stroke | 1990–1999 | 99999-03938-00 | V6 engine |
| Yamaha | 225ETL | 225 | 2-Stroke | 1990 | 99999-03938-00 | V6 engine |
| Yamaha | 225ETX | 225 | 2-Stroke | 1990 | 99999-03938-00 | V6 engine |
| Yamaha | 225TLR | 225 | 2-Stroke | 1991–1997 | 99999-03938-00 | V6 engine |
| Yamaha | 225TUR | 225 | 2-Stroke | 1991–1996 | 99999-03938-00 | V6 engine |
| Yamaha | 225TXR | 225 | 2-Stroke | 1990–1996 | 99999-03938-00 | V6 engine |
| Yamaha | 250TXR | 250 | 2-Stroke | 1990–1999 | 99999-03938-00 | V6 engine |
| Yamaha | LX200TXR | 200 | 2-Stroke | 1999 | 99999-03938-00 | V6 engine |
Technical Specs
- Product Type
- Starter Motor Assembly
- Installation
- Bolt-On
- Voltage
- 12V
- Drive Teeth
- 9
- Rotation
- CCW (Counter-Clockwise)
- Starter Type
- PMDD (Permanent Magnet Direct Drive)
- Material
- Metal
- Product Dimensions
- Length: 13.5; Width: 19.5; Height: 33.0;
- Weight
- 2.47 kg (5 lb 7 oz)
- Warranty
- 90 Days
What’s in the Box
- 1 x Starting Motor Assembly (99999-03938-00)
Installation Notes
- Disconnect the battery's negative terminal before beginning work.
- Locate the old starter motor on the engine block.
- Carefully disconnect the electrical leads from the starter terminals. Note their positions.
- Remove the mounting bolts securing the starter to the engine.
- Remove the old starter assembly. You may need to gently pry it loose.
- Compare the new starter with the old one to ensure an identical match in size, mounting points, and gear.
- Position the new starter and securely fasten it with the original mounting bolts.
- Clean the terminal connections and re-attach the electrical leads to the correct posts on the new starter.
- Reconnect the battery's negative terminal.
- Test the new starter by starting the engine. Check for any unusual noises or issues.
Troubleshooting & FAQ
How do I confirm this starter fits my specific engine model?
The best method is to match your existing starter's part number to the numbers listed in our Part Number Matrix. Additionally, cross-reference your engine model and year in the Engine & Model Compatibility table. Always compare the product photos to your physical part before ordering.
What are the common signs of a failing starter motor?
Symptoms include a clicking sound when turning the key, the engine turning over very slowly, intermittent starting, or no response at all. Grinding noises after the engine starts can also indicate a problem with the starter drive gear.
What kind of maintenance does this starter require?
This starter is designed to be maintenance-free. However, ensuring your battery is healthy and that all electrical connections to the starter are clean, tight, and free of corrosion will maximize its lifespan and performance.
Why does the new starter just make a single loud "click"?
A single, loud click often points to an issue with the power supply, not the starter itself. This is typically caused by a weak or dead battery, or a loose/corroded connection on the battery terminals, ground wire, or starter solenoid. Check that the battery is fully charged and all connections are secure before assuming the starter is faulty.
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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