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CDI Unit for Yamaha 9.9HP 15HP 2-Stroke Outboard | 63V-85540-00
CDI Unit for Yamaha 9.9HP 15HP 2-Stroke Outboard | 63V-85540-00
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Product Overview
Replacement 7-wire CDI ignition unit for selected Yamaha 9.9HP and 15HP 2-stroke outboard engines.
Designed to replace Yamaha OEM 63V-85540-00, this CDI is compatible with selected ELH, ELR, ESH, MLH, and MSH model variants from the listed applications.
The module measures approximately 61 × 46 × 20mm, with a 64mm mounting-hole distance. Before ordering, verify the OEM number, complete outboard model code, wiring configuration, connector arrangement, and original CDI appearance.
Product Compatibility
| Year | HP | Yamaha Model Code(s) | OEM Reference |
|---|---|---|---|
| 1996 | 9.9HP / 15HP | ELHU, ELRU, ESHU, MLHU, MSHU | 63V-85540-00 |
| 1997 | 9.9HP / 15HP | ELHV, ESHV, MLHV, MSHV | 63V-85540-00 |
| 1997 | 9.9HP | ELRV | 63V-85540-00 |
| 1998 | 9.9HP / 15HP | MLHW, MSHW | 63V-85540-00 |
| 1999 | 9.9HP / 15HP | MLHX, MSHX | 63V-85540-00 |
| 2000 | 9.9HP / 15HP | MLHY, MSHY | 63V-85540-00 |
| 2001 | 9.9HP / 15HP | MSHKZ, MSHZ | 63V-85540-00 |
| 2002 | 9.9HP / 15HP | MSHA | 63V-85540-00 |
| 2002 | 9.9HP / 15HP | MSHB | 63V-85540-00 |
| 2004 | 9.9HP / 15HP | MSHC | 63V-85540-00 |
| 2004 | 9.9HP / 15HP | MSHD | 63V-85540-00 |
| 2006 | 9.9HP / 15HP | MSH | 63V-85540-00 |
Important: Yamaha outboard fitment should be confirmed using the complete model code and OEM number rather than horsepower alone.
OEM Cross-Reference Numbers
Yamaha
- 63V-85540-00
- 63V-85540-00-00
63V-85540-00-00 may appear in U.S. Yamaha parts catalogs or dealer formatting for the same base Yamaha part number.
Specifications
| Specification | Details |
|---|---|
| Product Type | CDI Unit / Ignition Module |
| OEM Reference | 63V-85540-00 |
| Engine Type | 2-Stroke Outboard |
| Listed Horsepower | 9.9HP / 15HP |
| Wiring | 7-Wire |
| Length | 61 mm / 2.40 in |
| Width | 46 mm / 1.81 in |
| Height | 20 mm / 0.79 in |
| Mounting Hole Diameter | 7 mm / 0.28 in |
| Mounting Hole Distance | 64 mm / 2.52 in |
| Housing Material | ABS |
| Application | Yamaha Outboard Motor |
| Condition | New |
| Package Quantity | 1 CDI Unit |
Key Features
- 7-Wire CDI Configuration: Designed for compatible Yamaha 9.9HP and 15HP 2-stroke ignition systems.
- OEM-Specific Replacement: Replaces Yamaha 63V-85540-00.
- Marine Engine Application: Designed for selected Yamaha outboard motor applications.
- Compact Housing: Approximately 61 × 46 × 20mm for comparison with the original CDI.
- Model-Code Fitment: Supports multiple ELH, ELR, ESH, MLH, and MSH variants when matched to the correct OEM reference.
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Fitment FAQ
Will this part fit my specific model and year?
This CDI is designed for selected Yamaha 9.9HP and 15HP 2-stroke outboards associated with OEM 63V-85540-00, including the listed ELH, ELR, ESH, MLH, and MSH model variants.
Match your complete Yamaha model code and original CDI before ordering.
Do I need to match the OEM part number?
Yes. Matching the OEM number is strongly recommended for this product.
Primary references are:
63V-85540-00 / 63V-85540-00-00
If your original CDI carries a different OEM number, do not assume compatibility based solely on horsepower.
What models or situations does this part not fit?
Do not assume this CDI fits:
All Yamaha 9.9HP outboards
All Yamaha 15HP outboards
4-stroke outboard engines
Engines using a different CDI number
Applications with a different wire or connector configuration
CDI modules with different mounting dimensions
Horsepower alone does not determine CDI compatibility.
What should I check before ordering?
Confirm:
Yamaha outboard model
Complete model code
Production year
2-stroke engine configuration
OEM 63V-85540-00
7-wire configuration
Connector and wire arrangement
Approx. 61 × 46 × 20mm module dimensions
Approx. 64mm mounting-hole distance
Original CDI appearance