CDI Unit Assembly – Fits Yamaha 60-70HP Outboards (Replaces 6H3-85540-13-00)
CDI Unit Assembly – Fits Yamaha 60-70HP Outboards (Replaces 6H3-85540-13-00) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
CDI Unit Assembly – Fits Yamaha 60-70HP Outboards (Replaces 6H3-855...
Product Details
This aftermarket CDI Unit Assembly – Fits Yamaha 60-70HP Outboards (Replaces 6H3-85540-13-00) is designed for reliable ignition performance on Yamaha 60HP and 70HP 2-stroke outboard models manufactured between 1984 and 2000.
It serves as a direct replacement for Yamaha part numbers 6H3-85540-10-00, 6H3-85540-11-00, 6H3-85540-12-00, and 6H3-85540-13-00, as well as Hitachi models TIA03-12 and TIA03-12A.
- Offers a straightforward bolt-on, plug-and-play installation.
- Engineered for use in standard marine gasoline engine environments.
- Includes one CDI unit assembly for a complete replacement.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 6H3-85540-13-00 |
| Yamaha | 6H3-85540-12-00 |
| Yamaha | 6H3-85540-11-00 |
| Yamaha | 6H3-85540-10-00 |
| Hitachi | TIA03-12 |
| Hitachi | TIA03-12A |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This CDI unit fits a range of Yamaha 60HP and 70HP 2-stroke outboard engines.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 70ETLN | 70 | 2-Stroke | 1984 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70TLRP | 70 | 2-Stroke | 1991 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70ETLH | 70 | 2-Stroke | 1987 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70ETLG | 70 | 2-Stroke | 1988 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70ETLD | 70 | 2-Stroke | 1990 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70ETLDA | 70 | 2-Stroke | 1990 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | 70ETLJ | 70 | 2-Stroke | 1986 | 6H3-85540-13-00 | ELECTRIC PARTS |
| Yamaha | P60TLHP | 60 | 2-Stroke | 1991 | 6H3-85540-13-00 | Electric Parts 1 |
| Yamaha | 70ETLF | 70 | 2-Stroke | 1989 | 6H3-85540-13-00 | ELECTRICAL (1) |
| Yamaha | E60MLHU | 60 | 2-Stroke | 1996 | 6H3-85540-13-00 | ELECTRICAL |
| Yamaha | E60MLHW | 60 | 2-Stroke | 1998 | 6H3-85540-13-00 | ELECTRICAL |
| Yamaha | E60MLHT | 60 | 2-Stroke | 1995 | 6H3-85540-13-00 | ELECTRICAL |
| Yamaha | E60MLHX | 60 | 2-Stroke | 1999 | 6H3-85540-13-00 | ELECTRICAL |
| Yamaha | E60MLHV | 60 | 2-Stroke | 1997 | 6H3-85540-13-00 | ELECTRICAL |
| Yamaha | E60MLHY | 60 | 2-Stroke | 2000 | 6H3-85540-13-00 | ELECTRICAL (1) |
| Yamaha | 70ETLK | 70 | 2-Stroke | 1985 | 6H3-85540-13-00 | Electrical Parts |
Technical Specs
- Product Type
- CDI Unit/Ignition Module
- Installation
- Direct OEM Replacement
- Fuel Type
- Gasoline
- Connection
- Multi-pin electrical connector
- Housing Color
- Black
- Dimensions
- 17.0" L x 11.5" W x 5.5" H
- Fitting Type
- Bolt-on
- Ignition System
- CDI (Capacitor Discharge Ignition)
What’s in the Box
- 1 x CDI Unit Assembly (6H3-85540-13-00)
Installation Notes
- Disconnect the battery terminals to prevent electrical shorts.
- Locate and carefully unplug the old CDI unit from the engine's wiring harness.
- Unbolt and remove the original CDI module from its mounting location.
- Compare the new unit to the old one to ensure all connectors and mounting points match.
- Bolt the new CDI unit into place, ensuring it is securely fastened.
- Connect the wiring harness to the new module, making sure the connection is firm and clicks into place.
- Reconnect the battery terminals.
- Test the engine to confirm proper ignition function before operating on the water.
Troubleshooting & FAQ
How do I know if my CDI unit has failed?
Common signs of CDI failure include the engine not starting, misfiring, backfiring, stalling, or a complete loss of spark. You can test the unit with a multimeter and a service manual to confirm if its output is within the specified range.
What's the difference between this CDI unit and the original Yamaha part?
This is an aftermarket component designed to meet or exceed original equipment manufacturer (OEM) specifications for fit, form, and function. It offers comparable performance and reliability at a more accessible price point.
Is any programming required for this CDI unit?
No, this is a direct plug-and-play component. It does not require any programming or special configuration. Simply install it and it will function with the factory ignition timing curves.
Can I use this on an engine outside the specified 1984–2000 year range?
We do not recommend using this part on models outside the specified compatibility list. Ignition systems are specific to engine series and year ranges, and using the wrong part can lead to poor performance or engine damage. Always verify your engine's model and year.
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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