CDI Electronics Ignition Pack – Fits Yamaha 25-30 HP 3-Cylinder Outboard (Replaces 6J8-85540-H2-00)
CDI Electronics Ignition Pack – Fits Yamaha 25-30 HP 3-Cylinder Outboard (Replaces 6J8-85540-H2-00) 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
CDI Electronics Ignition Pack – Fits Yamaha 25-30 HP 3-Cylinder Out...
Product Details
This CDI Electronics Ignition Pack provides a reliable, direct replacement for Yamaha 25-30 HP 3-cylinder outboard engines produced from 1999 to 2002. It's engineered to restore ignition timing and spark energy for optimal engine performance.
It serves as a direct interchange for CDI Electronics part 117-6J8-H2 and Yamaha OEM part number 6J8-85540-H2-00.
- Engineered for direct OEM replacement fit and function.
- Specifically designed for 3-cylinder gasoline outboard engines.
- Protected by a comprehensive 2-year limited warranty from CDI Electronics.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| CDI Electronics | 117-6J8-H2 |
| Yamaha | 6J8-85540-H2-00 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure accurate fitment.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 25HP | 25 | 3-Cylinder | 1999–2002 | 6J8-85540-H2-00 | |
| Yamaha | 25MLHX3 | 25 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 25MSHX3 | 25 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 25MSHY3 | 25 | 3-Cylinder | 2000 | 6J8-85540-H2-00 | |
| Yamaha | 25MSHZ3 | 25 | 3-Cylinder | 2001 | 6J8-85540-H2-00 | |
| Yamaha | 25MSH3A | 25 | 3-Cylinder | 2002 | 6J8-85540-H2-00 | |
| Yamaha | 30HP | 30 | 3-Cylinder | 1999–2002 | 6J8-85540-H2-00 | |
| Yamaha | 30ELRX | 30 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 30MLHX | 30 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 30ELHX | 30 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 30MSHX | 30 | 3-Cylinder | 1999 | 6J8-85540-H2-00 | |
| Yamaha | 30MSHY | 30 | 3-Cylinder | 2000 | 6J8-85540-H2-00 | |
| Yamaha | 30MLHY | 30 | 3-Cylinder | 2000 | 6J8-85540-H2-00 | |
| Yamaha | 30ELHY | 30 | 3-Cylinder | 2000 | 6J8-85540-H2-00 | |
| Yamaha | 30ELRY | 30 | 3-Cylinder | 2000 | 6J8-85540-H2-00 | |
| Yamaha | 30MSHZ | 30 | 3-Cylinder | 2001 | 6J8-85540-H2-00 | |
| Yamaha | 30ELRZ | 30 | 3-Cylinder | 2001 | 6J8-85540-H2-00 | |
| Yamaha | 30MLHZ | 30 | 3-Cylinder | 2001 | 6J8-85540-H2-00 | |
| Yamaha | 30ELHZ | 30 | 3-Cylinder | 2001 | 6J8-85540-H2-00 | |
| Yamaha | 30MSHA | 30 | 3-Cylinder | 2002 | 6J8-85540-H2-00 |
Technical Specs
- Product Type
- Ignition Pack / CDI Unit
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Dimensions
- 4.0 in. (H) x 13.5 in. (W) x 32.0 in. (L)
- Warranty
- 2 years (CDI Electronics limited warranty)
- Engine Compatibility
- For 3-cylinder engines
What’s in the Box
- 1 x Ignition Pack
Installation Notes
Professional installation is recommended. The following are general, non-model-specific guidelines:
- Disconnect the battery terminals to prevent electrical shorts.
- Locate the existing ignition pack on the engine block. Note the wiring connections.
- Carefully unplug all electrical connectors from the old unit.
- Unbolt and remove the old ignition pack from its mounting point.
- Mount the new ignition pack securely in the same location.
- Reconnect all wiring harnesses to the correct terminals on the new unit.
- Reconnect the battery and test the engine's operation in a safe environment (e.g., with a water source for the outboard).
Troubleshooting & FAQ
How do I know if this ignition pack fits my engine?
This part fits specific Yamaha 25 HP and 30 HP 3-cylinder models from 1999–2002. Please verify your exact engine model and year against the compatibility table on this page before ordering.
What are the common signs of a failing CDI ignition pack?
Symptoms of a bad ignition pack include engine misfires, rough idling, difficulty starting, stalling at low speeds, or a complete lack of spark on one or more cylinders.
Is this a plug-and-play installation?
Yes, this ignition pack is designed as a direct replacement with OEM-style connectors and mounting points for a straightforward installation with no modifications required.
What is the difference between this part and an original Yamaha part?
This is a high-quality aftermarket part manufactured by CDI Electronics to meet or exceed original equipment manufacturer (OEM) specifications. It offers comparable performance and reliability at a better value.
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 2-year manufacturer's 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 and specifications against 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.
