Yamaha Outboard Key Switch Panel – Single Engine Ignition Assembly 704-82570-12-00
This single engine key switch panel is designed for Yamaha 2-stroke and 4-stroke mechanical shift outboard motors that use a 10-pin wiring harness. It provides a reliable replacement for a wide range of Yamaha outboard models, ensuring your ignition system functions correctly.
This assembly directly replaces Yamaha part numbers: 704-82570-12-00, 704-82570-11-00, 704-82570-08-00, 704-82570-05-00, and 704-82570-01-00.
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Installation Type: Panel Mount
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Connection: Plugs directly into a 10-pin main wiring harness.
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Kit Includes: Comes with the switch panel, wiring, mounting screws, and two keys.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers. This part replaces several older versions from Yamaha.
| Brand |
Part Number |
Superseded By |
| Yamaha |
704-82570-01-00 |
704-82570-12-00 |
| Yamaha |
704-82570-05-00 |
704-82570-12-00 |
| Yamaha |
704-82570-08-00 |
704-82570-12-00 |
| Yamaha |
704-82570-11-00 |
704-82570-12-00 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
This panel is suitable for most Yamaha 2-stroke and 4-stroke mechanical (non-digital) shift outboard motors equipped with a 10-pin main harness. Specific model and year range compatibility is not available.
Technical Specifications
| Specification |
Value |
| Product Type |
Single Engine Ignition Key Switch Panel |
| Installation |
Panel Mount |
| Operating Voltage |
12V DC |
| Wattage |
0.1W |
| Connection |
10-pin Wiring Harness |
| Housing Material |
Metal + Plastic |
| Dimensions |
110 × 70 × 10 mm (4.33 × 2.76 × 0.39 inches) |
| Current Rating |
2 Amps |
| Switch Type |
Push Button Ignition |
| Actuator Type |
Key Operated |
Package Contents
- 1 x Switch Panel
- 2 x Keys
- 1 x Wire
- 4 x Screws
Installation Guide
Follow these general steps for installation. Professional installation is recommended.
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Disconnect Power: Turn off the battery switch or disconnect the negative battery terminal to prevent electrical shorts.
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Access Old Panel: Locate and access your existing key switch panel on the console or dashboard.
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Remove Old Panel: Unscrew the mounting hardware holding the old panel in place and carefully pull it out.
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Disconnect Harness: Unplug the 10-pin wiring harness from the back of the old switch assembly.
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Connect New Panel: Plug the 10-pin harness securely into the new switch panel. Ensure the connection is firm.
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Mount New Panel: Position the new panel and secure it using the four included screws.
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Reconnect Power: Reconnect the negative battery terminal or turn the main battery switch back on.
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Test Operation: Test the "On" and "Start" functions to ensure the engine cranks and the system powers up correctly.
Troubleshooting & FAQ
- How do I confirm this fits my engine?
- Confirm that your Yamaha outboard is a 2-stroke or 4-stroke model with a mechanical shift and uses a 10-pin wiring harness. You should also cross-reference your existing part number with the numbers listed in our Part Number Cross-Reference table.
- What are common signs of a failing ignition switch panel?
- Signs include difficulty turning the key, intermittent power loss to gauges, the engine not cranking when the key is turned to "Start," or visible corrosion on the switch housing and terminals.
- OEM vs. Aftermarket?
- This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
- How fast do you ship and how much does it cost?
- We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
- What is your warranty and return policy?
- This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
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Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.