Starter Motor – Fits Yamaha & Parsun 15HP (Replaces PAF15-07150100W, 66M-81800 Series)
Starter Motor – Fits Yamaha & Parsun 15HP (Replaces PAF15-07150100W, 66M-81800 Series) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
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 Starter Motor – Fits Yamaha & Parsun 15HP (Replaces PAF15-07150100W, 66M-81800 Series) is engineered for reliable starting performance in demanding marine environments. It is designed as a direct-fit replacement for specific Yamaha and Parsun 15HP 4-stroke outboard engines.
It serves as a direct interchange for Parsun part number PAF15-07150100W and Yamaha's 66M-81800 series, including 66M-81800-00, 66M-81800-01, and 66M-81800-02.
- Installs as a direct OEM-style replacement with no modifications needed.
- Built with a corrosion-resistant die-cast aluminum alloy housing for durability in marine conditions.
- Designed for standard 12V DC electrical systems.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
Brand | Part Number | Notes |
---|---|---|
Parsun | PAF15-07150100W | Direct OEM replacement. |
Yamaha | 66M-81800-00 | Interchangeable part. |
Yamaha | 66M-81800-01 | Supersedes 66M-81800-00. |
Yamaha | 66M-81800-02 | Supersedes 66M-81800-00 and 66M-81800-01. |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha owners, this part fits the F15 4-stroke model and replaces the entire 66M-81800 part number series.
For Parsun owners, this is a direct replacement for the F15 4-stroke model using part number PAF15-07150100W.
Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
---|---|---|---|---|---|
Yamaha | F15 | 15 | 4-Stroke | 66M-81800-00/01/02 | Multiple supersession variants fit. |
Parsun | F15 | 15 | 4-Stroke | PAF15-07150100W | Direct OEM replacement. |
Technical Specs
- Product Type
- Starter Motor
- Installation
- Direct OEM replacement
- Connection
- Direct mount to engine
- Housing Material
- Die-cast aluminum alloy
- Housing Color
- Silver/metallic
- Fitting Type
- Direct bolt-on
- Working Voltage
- 12V DC
- Other Technical Attributes
- Designed for marine environment; corrosion resistant
What’s in the Box
- 1 x Starter Motor (Replaces PAF15-07150100W, 66M-81800-00/01/02)
Installation Notes
Follow these generic steps for installation. Refer to your engine’s service manual for detailed instructions.
- Disconnect the battery's negative terminal to prevent electrical shorts.
- Locate the existing starter motor on the engine block.
- Carefully disconnect the electrical leads from the old starter, noting their positions.
- Unbolt and remove the old starter motor from its mounting position.
- Clean the mounting surface on the engine to ensure a solid connection.
- Mount the new starter motor and tighten the bolts to the manufacturer's specified torque.
- Reconnect the electrical leads to the correct terminals on the new starter.
- Reconnect the battery's negative terminal.
- Test the new starter by starting the engine.
Troubleshooting & FAQ
How do I confirm this starter motor fits my engine?
The best way is to match the part number from your old starter to one of the numbers listed in our Part Number Matrix (PAF15-07150100W or 66M-81800-00/01/02). You should also confirm your engine is a Yamaha F15 or Parsun F15 4-stroke model as shown in the compatibility table.
What are common signs of a failing starter motor?
Symptoms include a clicking sound when you turn the key, the engine cranking very slowly, or the starter not engaging at all (silence). These can indicate internal wear or electrical failure in the starter unit.
What is the difference between the Yamaha part numbers?
The numbers 66M-81800-00, 66M-81800-01, and 66M-81800-02 are part of a supersession chain. The higher numbers (-01, -02) are newer, updated versions that are functionally identical and backward-compatible with the original. This aftermarket part replaces all of them.
Is any special maintenance required for the new starter?
No special maintenance is needed for the starter itself. However, it is good practice to periodically check that the electrical connections are clean, tight, and free of corrosion to ensure reliable performance.
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
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.