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63V-85533 Lighting Coil for Yamaha 9.9HP 15HP | JLM Marine
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Lighting Coil 63V-85533 – Fits Yamaha 2-Stroke 9.9HP & 15HP Outboard Motors (1996-2009)
This aftermarket lighting coil is engineered to fit Yamaha 2-Stroke outboard motors rated at 9.9HP and 15HP, covering model years 1996 through 2009. Designed to restore reliable electrical output for lighting and charging systems, this coil ensures consistent performance on the water.
This component directly replaces OEM part number 63V-85533-00 and aftermarket equivalent Sierra Marine 18-25604, offering a cost-effective solution without compromising quality.
- Designed for Yamaha 2-stroke outboard engines
- Restores lighting and charging system functionality
- Direct bolt-on replacement for quick installation
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Yamaha | 63V-85533-00 |
| Sierra Marine | 18-25604 |
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.
| Brand | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|
| Yamaha | 9.9HP | 2-Stroke | 1996-2009 | 63V-85533-00 |
| Yamaha | 15HP | 2-Stroke | 1996-2009 | 63V-85533-00 |
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 63V-85533-00 |
| Component Type | Lighting Coil |
| Engine Type | 2-Stroke Outboard |
| Horsepower Range | 9.9HP - 15HP |
| Fitment Years | 1996-2009 |
| Brand Compatibility | Yamaha |
Package Contents
Your package includes:
- 1 × Lighting Coil
Installation Guide
- Disconnect the battery and ensure the engine is completely off before beginning work.
- Remove the engine cowling to access the flywheel and stator assembly.
- Locate the existing lighting coil mounted beneath or adjacent to the flywheel.
- Disconnect the wiring harness connector from the old lighting coil.
- Remove the mounting screws or bolts securing the coil to the stator plate.
- Carefully lift out the old coil, taking note of its orientation and wire routing.
- Position the new lighting coil in the same orientation, aligning mounting holes with the stator plate.
- Secure the coil with the original screws or bolts, tightening to manufacturer specifications.
- Reconnect the wiring harness connector, ensuring a firm, clean connection.
- Route wiring away from moving parts and sharp edges, using original clips or ties.
- Reinstall the engine cowling and reconnect the battery.
- Start the engine and verify proper lighting and charging system operation.
Troubleshooting & FAQ
Q: How do I confirm this lighting coil fits my Yamaha outboard?
A: Check the table above to verify your engine's horsepower, stroke type, and year range (1996–2009 for 9.9HP and 15HP 2-stroke models). Cross-reference your original part number (63V-85533-00) to ensure compatibility.
Q: What are the signs that my lighting coil needs replacement?
A: Common symptoms include dim or flickering lights, weak battery charging, complete loss of electrical output, or intermittent accessory power. A multimeter test can confirm coil output.
Q: How does this aftermarket coil differ from the OEM Yamaha part?
A: This replacement is manufactured to OEM specifications using comparable materials and production standards. It delivers equivalent performance at a more competitive price point.
Q: Can I install this lighting coil myself, or do I need a technician?
A: Installation requires basic mechanical skills and tools. If you're comfortable removing the cowling and working near the flywheel, you can complete it yourself. Otherwise, professional installation is recommended.
Q: Is this part OEM or aftermarket?
A: 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.
Q: How fast do you ship and how much does it cost?
A: 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.
Q: What is your warranty and return policy?
A: 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.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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