CDI Ignition Power Pack – Fits Yamaha 9.9HP/15HP 2-Stroke Outboards (Replaces 63V-85540-00-01, 63V-85540-00, 63V-85540-01)
CDI Ignition Power Pack – Fits Yamaha 9.9HP/15HP 2-Stroke Outboards (Replaces 63V-85540-00-01, 63V-85540-00, 63V-85540-01) 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 CDI Ignition Power Pack – Fits Yamaha 9.9HP/15HP 2-Stroke Outboards (Replaces 63V-85540-00-01, 63V-85540-00, 63V-85540-01) is an aftermarket replacement for Yamaha 9.9–15 HP 2-stroke outboard engines manufactured between 1995 and 2009. It restores ignition timing and spark energy for reliable engine performance.
It directly replaces Yamaha part numbers 63V-85540-00-00, 63V-85540-01-00, 63V-85540-02-00, and 63V-85540-00-01, as well as Sierra 18-5132 and CDI 117-6301.
- Designed for direct OEM-compatible installation with a plug-in connector.
- Engineered specifically for 2-stroke marine ignition systems.
- Includes the main CDI unit required for the swap.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 63V-85540-00-00 |
| Yamaha | 63V-85540-01-00 |
| Yamaha | 63V-85540-02-00 |
| Yamaha | 63V-85540-00-01 |
| Sierra | 18-5132 |
| CDI | 117-6301 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This CDI unit is designed for a range of Yamaha 9.9 HP, 13.5 HP, and 15 HP 2-stroke outboards. Please verify your specific model and year against the list for an exact match.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 9.9ELHU | 9.9 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 9.9ELHV | 9.9 | 2-Stroke | 1997 | 63V-85540-00/01/02 | |
| Yamaha | 9.9ELRU | 9.9 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 9.9ELRV | 9.9 | 2-Stroke | 1997 | 63V-85540-00/01/02 | |
| Yamaha | 9.9ESHU | 9.9 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 9.9ESHV | 9.9 | 2-Stroke | 1997 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MLHU/V/W/X/Y | 9.9 | 2-Stroke | 1996–2000 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSH | 9.9 | 2-Stroke | 2006–2009 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHA | 9.9 | 2-Stroke | 2002 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHB | 9.9 | 2-Stroke | 2003 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHC | 9.9 | 2-Stroke | 2004 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHD | 9.9 | 2-Stroke | 2005 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHKZ | 9.9 | 2-Stroke | 2001 | 63V-85540-00/01/02 | |
| Yamaha | 9.9MSHU/V/W/X/Y/Z | 9.9 | 2-Stroke | 1996–2000 | 63V-85540-00/01/02 | |
| Yamaha | 13.5AMH | 13.5 | 2-Stroke | 2003–2004 | 63V-85540-00/01/02 | |
| Yamaha | 15ELHU | 15 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 15ELHV | 15 | 2-Stroke | 1997 | 63V-85540-00/01/02 | |
| Yamaha | 15ELRU | 15 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 15ESHU | 15 | 2-Stroke | 1996 | 63V-85540-00/01/02 | |
| Yamaha | 15ESHV | 15 | 2-Stroke | 1997 | 63V-85540-00/01/02 | |
| Yamaha | 15MLHU/V/W/X/Y | 15 | 2-Stroke | 1996–2000 | 63V-85540-00/01/02 | |
| Yamaha | 15MSH | 15 | 2-Stroke | 2006–2009 | 63V-85540-00/01/02 | |
| Yamaha | 15MSHA | 15 | 2-Stroke | 2002 | 63V-85540-00/01/02 | |
| Yamaha | 15MSHB | 15 | 2-Stroke | 2003 | 63V-85540-00/01/02 | |
| Yamaha | 15MSHC | 15 | 2-Stroke | 2004 | 63V-85540-00/01/02 | |
| Yamaha | 15MSHD | 15 | 2-Stroke | 2005 | 63V-85540-00/01/02 | |
| Yamaha | 15MSHW/X/Y | 15 | 2-Stroke | 1998–2000 | 63V-85540-00/01/02 | |
| Yamaha | 15F/FEM/FM/MH/MSH | 15 | 2-Stroke | 1996–2009 | 63V-85540-00/01/02 | Various suffixes |
| Yamaha | 15FW/MHH | 15 | 2-Stroke | 1996–2009 | 63V-85540-00/01/02 |
Technical Specs
- Product Type
- CDI Ignition Unit / Powerpack
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Connection
- Male connector (OEM compatible)
- Housing Material
- Plastic with metal components
- Housing Color
- Black
- Dimensions
- 16.0 cm × 12.0 cm × 6.5 cm (6.3" × 4.7" × 2.6")
- Weight
- 170 g (5.9 oz)
- Fitting Type
- Plug-in connector
- Other Technical Attributes
- Designed for 2-stroke ignition systems
- Warranty
- 1 year
What’s in the Box
- 1 x CDI Unit Assembly (63V-85540-00-01)
Installation Notes
- Disconnect the engine's battery terminals to prevent electrical hazards.
- Locate the existing CDI unit and carefully unplug all electrical connectors.
- Unbolt and remove the old CDI module from its mounting location.
- Mount the new CDI unit in the same position, securing it with the original hardware.
- Firmly connect the wiring harness to the new unit, ensuring the plug is fully seated.
- Reconnect the battery, start the engine, and verify proper operation and timing.
Troubleshooting & FAQ
How do I know if my CDI unit has failed?
Common signs of a failing CDI unit include no spark, intermittent spark, engine misfiring at high RPMs, hard starting, or a complete failure to start. Testing with a multimeter or swapping with a known good unit can confirm the diagnosis.
Is this a direct plug-and-play replacement?
Yes, this unit is designed to be a direct plug-in replacement for the OEM part numbers and models listed in the compatibility tables. No modifications or special wiring should be necessary.
Do I need special tools for installation?
Basic hand tools, such as a socket wrench or screwdriver set for removing mounting bolts, are typically all that is required for installation.
What is the difference between this unit and an original Yamaha part?
This is a high-quality aftermarket part designed to meet or exceed OEM specifications in function and fit. It offers a cost-effective alternative to the original manufacturer's part while providing 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
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