CDI Unit Assembly – Fits Yamaha 50/60/70HP 2-Stroke Outboards (Replaces 6H2-85540-10, 6H2-85540-13)
CDI Unit Assembly – Fits Yamaha 50/60/70HP 2-Stroke Outboards (Replaces 6H2-85540-10, 6H2-85540-13) 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
CDI Unit Assembly – Fits Yamaha 50/60/70HP 2-Stroke Outboards (Repl...
Product Details
This CDI Unit Assembly – Fits Yamaha 50/60/70HP 2-Stroke Outboards (Replaces 6H2-85540-10, 6H2-85540-13) is an essential electronic module that controls the ignition timing for select Yamaha 50HP, 60HP, and 70HP 2-stroke outboard motors manufactured between 1994 and 2008.
It serves as a direct replacement, providing a reliable cross-reference for Yamaha OEM part numbers 6H2-85540-10, 6H2-85540-11, 6H2-85540-12, and 6H2-85540-13.
- Simple Installation: Designed as a direct-fit replacement with a standard multi-pin electrical connector.
- Durable Construction: Features a high-quality, high-temperature resistant metal housing for longevity in marine environments.
- Reliable Performance: Engineered for stable and consistent ignition timing.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By |
|---|---|---|
| Yamaha | 6H2-85540-10-00 | 6H2-85540-11-00 |
| Yamaha | 6H2-85540-11-00 | 6H2-85540-12-00 |
| Yamaha | 6H2-85540-12-00 | 6H2-85540-13-00 |
| Yamaha | 6H2-85540-13-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 60F (6H2) | 60 | 2-Stroke | 1994–1996 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60FETO, 60FETOL, 60FET | 60 | 2-Stroke | 1997–1999 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TLR, C60TLRY, C60ELRY | 60 | 2-Stroke | 2000 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60F (6H20/6H21) | 60 | 2-Stroke | 2001 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TRZ, C60TRZ | 60 | 2-Stroke | 2001 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60F (6H23/6H25) | 60 | 2-Stroke | 2002 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TLRA | 60 | 2-Stroke | 2002 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TLRB | 60 | 2-Stroke | 2003 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TLRC, 60TLRNC | 60 | 2-Stroke | 2004 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 60TLR, 60TLRD | 60 | 2-Stroke | 2005 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | P60TLHU | 60 | 2-Stroke | 1996 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | P60TLHV, C60TLRV | 60 | 2-Stroke | 1997 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | P60TLHW, C60TLRW | 60 | 2-Stroke | 1998 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | P60TLHX, C60TLRX | 60 | 2-Stroke | 1999 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | C60TLRY | 60 | 2-Stroke | 2000 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 70BE (6H3) | 70 | 2-Stroke | 1994–1996 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 70B (6H3/6H30) | 70 | 2-Stroke | 1997–2000 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 70TLR series | 70 | 2-Stroke | 1997–2005 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 70B (6H30/6H31) | 70 | 2-Stroke | 2001–2002 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 70BEHTOL, 70BEHTOX, 70BETOL, 70BETOX | 70 | 2-Stroke | 2001–2008 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 50G (62F) | 50 | 2-Stroke | 1997–2008 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
| Yamaha | 50GETO, 50GETOL | 50 | 2-Stroke | 1998–2008 | 6H2-85540-10 | Superseded by 6H2-85540-13 |
Technical Specs
- Product Type
- CDI Unit (Capacitor Discharge Ignition)
- Installation
- Direct Replacement
- Fuel Type
- Gasoline
- Connection
- Multi-pin Electrical Connector
- Housing Material
- High-quality Metal
- Housing Color
- Black
- Product Dimensions
- Length: 10.5, Width: 10.5, Height: 17.0
- Operating Temperature
- High-temperature resistant
- Warranty
- 3 months (aftermarket)
- Other Technical Attributes
- Stable performance, high reliability
What’s in the Box
- 1 x CDI Unit Assembly (6H2-85540-13-00)
Installation Notes
- Disconnect the battery terminals to prevent electrical shorts. Ensure the engine is off and cool.
- Locate the existing CDI unit on the engine block and carefully disconnect the multi-pin electrical connector.
- Unbolt and remove the old CDI unit, retaining any mounting hardware if it will be reused.
- Mount the new CDI unit in the same position, ensuring it is secure.
- Firmly connect the electrical connector to the new unit.
- Reconnect the battery terminals and test the engine's ignition.
Troubleshooting & FAQ
How do I know if my CDI unit has failed?
Common signs of a faulty CDI include engine misfires, difficulty starting, stalling, inconsistent RPMs, or a complete loss of spark to the spark plugs. A systematic check of the ignition system is the best way to confirm.
Is this CDI compatible with both "push-to-open" and "pull-to-open" throttle systems?
This unit is specified for models using the 6H2-85540-XX part number series, which typically corresponds to specific throttle systems within the listed years. Always verify your exact OEM part number before ordering.
Can I install this myself?
While installation is straightforward for those with mechanical experience, we recommend professional installation to ensure safety and proper function. Incorrect installation can damage the unit or other engine components.
What is the difference between this unit and the one it supersedes, like 6H2-85540-10?
Superseded part numbers usually indicate minor internal revisions or manufacturer updates over time. This unit is designed to be functionally identical and a direct replacement for all listed predecessors.
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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