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66M-85540-00-00
66M-85540-01-00
117-68815
11768815
688-85540-12-00
688-85540-13-00
688-85540-14-00
688-85540-15-00
6H2-85540-11-00
6H2-85540-12-00
6H2-85540-13-00
6G5-85540-11-00
6G5-85540-12-00
11737M
11737T
18-5136
6F5-85540-21-00
6F5-85540-22-00
6F5-85540-23-00
CDI Unit 9369585540P
The 9369585540P CDI Unit is a replacement ignition module used on Yamaha and Mercury 2-cylinder 2-stroke outboards. This unit controls ignition timing and spark delivery, ensuring reliable starting and smooth engine performance.
Fitment Overview
This CDI unit replaces multiple Yamaha and Mercury ignition modules, including 695-85540-10-00, 695-85540-11-00, 695-85540-12-00, 43077M, and 43077T. These part numbers are used across small horsepower 2-cylinder outboards.
Compatibility
| Brand | Horsepower | Engine Type |
|---|---|---|
| Yamaha | 9.9 HP | 2-Cylinder 2-Stroke |
| Yamaha | 15 HP | 2-Cylinder 2-Stroke |
| Yamaha | 25 HP | 2-Cylinder 2-Stroke |
| Mercury / Mariner | 9.9 HP | 2-Cylinder 2-Stroke |
| Mercury / Mariner | 15 HP | 2-Cylinder 2-Stroke |
| Mercury / Mariner | 20 HP | 2-Cylinder 2-Stroke |
| Mercury / Mariner | 25 HP | 2-Cylinder 2-Stroke |
This ignition module is used across multiple model years depending on ignition system configuration. Always confirm using your original CDI number or engine diagram.
Fits These Serial Ranges
This CDI unit does not follow a single serial break and is used across multiple Yamaha and Mercury 2-cylinder ignition systems.
Important: Match your existing CDI number to one of the cross references below to confirm correct fitment.
Part Numbers and Cross References
| Type | Part Number |
|---|---|
| Pro Marine | 9369585540P |
| Yamaha OEM | 695-85540-10-00 |
| Yamaha OEM | 695-85540-11-00 |
| Yamaha OEM | 695-85540-12-00 |
| CDI Electronics | 117-695-11 |
| CDI Electronics | 17-69511 |
| Sierra | 18-5131 |
| Mercury OEM | 43077M |
| Mercury OEM | 43077T |
| Mercury OEM | 69450M |
What This Part Is Used For
The CDI (Capacitor Discharge Ignition) unit stores and releases electrical energy to fire the spark plugs at the correct time. It is a critical component in the ignition system for proper engine operation.
- Controls ignition timing
- Delivers spark to ignition coils
- Ensures reliable starting
- Supports smooth engine performance
A faulty CDI unit can cause no spark, intermittent spark, misfires, or engine shutdown.
FAQ
What engines does this CDI fit?
It fits Yamaha and Mercury 2-cylinder 2-stroke outboards in the 9.9HP to 25HP range.
How do I confirm fitment?
Match your existing CDI part number to one of the cross references listed above.
Is this a Mercury switch box?
Yes, this unit replaces Mercury switch box numbers such as 43077M and 43077T.
What are signs of a bad CDI?
No spark, weak spark, intermittent misfire, or engine not starting.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 (continental U.S.).
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
9369585540P, 695-85540-10-00, 695-85540-11-00, 695-85540-12-00, 117-695-11, 17-69511, 18-5131, 43077M, 43077T, 69450M
17-69511
18-5131
43077M
43077T
69450M
695-85540-10-00
695-85540-11-00
695-85540-12-00
18-5132
63V-85540-00-00
63V-85540-01-00
63V-85540-02-00
63V-85540-03-00
63V-85540-10-00
17-69511
18-5131
43077M
43077T
695-85540-10-00
695-85540-11-00
695-85540-12-00
96450M