CDI Box for Yamaha Outboard 9.9 HP & 15 HP 1984-1990
CDI Box for Yamaha Outboard 9.9 HP & 15 HP 1984-1990
SKU:RM02243
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CDI Box for Yamaha Outboard 9.9 HP & 15 HP 1984-1990
Fits Yamaha 9.9 HP and 15 HP outboard engines, 1984-1990
This is a direct-fit replacement CDI (Capacitor Discharge Ignition) switch box built to OEM specifications for Yamaha 9.9 HP and 15 HP outboard engines, 1984-1990. It is a complete, ready-to-fit unit engineered to match the form, fit and function of the original ignition module.
The unit uses seven wiring plugs on a 7-pin connector layout, housed in a compact 40mm x 55mm x 34mm case with fixing holes 75mm apart, matching the specification of the CDI box originally fitted to these engines. As with all Capacitor Discharge Ignition units, this CDI is a sealed electronic component and is non-refundable once fitted or tested; please confirm the OEM part number against your original unit before ordering.
Key Features
- Direct OEM fit and function - no modification required
- Seven plugs, 7-pin connector layout
- Compact 40mm x 55mm x 34mm housing
- Fixing holes 75mm centre to centre
- Covers Yamaha 9.9 HP and 15 HP outboards, 1984-1990
Technical Specs
| Specification | Detail |
|---|---|
| Height | 40mm |
| Length | 55mm |
| Width | 34mm |
| Fixing Hole Centres | 75mm |
| Number of Plugs | 7 |
| Number of Pins | 7 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Yamaha Outboard EL 9.9 HP | 1984-1990 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 695-85540-11-00 | Yamaha |
| 695-85540-12-00 | Yamaha |
| 695-85540-21-00 | Yamaha |
| 43077M | Mariner |
| 43077T | Mariner |
Frequently Asked Questions
Will this CDI box fit without any modification?
Yes, this is a direct plug-in replacement for Yamaha 9.9 HP and 15 HP outboard engines, 1984-1990, and requires no modification to install.
What is included in the box?
One complete CDI switch box, ready to fit in place of the original.
How do I know my old CDI has failed?
Common signs include no spark, an engine that turns over but will not start, intermittent misfiring, or a sudden loss of power while running. The most reliable test is swapping in a known-good unit from the same year/make/model.
Is this CDI covered by warranty if it fails?
No. Due to the sealed electronic nature of CDI units, they cannot be tested for a fault before fitting and are excluded from warranty and non-refundable once fitted or tested, as noted above.
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