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SKU:
ZZ3F08318
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CDI Module Fit for Ski Doo Formula SL 500 F/C 121 1995-1997 Snowmobile 420965756
$92.49
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$92.49
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$92.49
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Compatible Models
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Compatible equipment / model
CDI Module for Ski Doo Formula SL 500 F/C 121 1995-1997 Snowmobile
This aftermarket CDI module for Ski Doo Formula SL 500 F/C 121 1995-1997 snowmobiles controls ignition spark timing to ensure consistent engine performance.
Overview
This CDI module for Ski Doo Formula SL 500 replaces the original ignition control unit to manage spark delivery and timing. It is engineered for the 500 F/C 121 engine used in Formula SL models from 1995 through 1997. This CDI for Ski Doo snowmobiles provides a dependable electrical replacement for worn-out or failed units.
Built For Performance
- Weather-sealed epoxy coating guards against moisture intrusion and corrosion
- Precisely calibrated timing maps for the 500 F/C 121 engine
- Direct OEM-style connector for simplified plug-in installation
- High-temperature rated components for sustained operation under load
- Vibration-resistant mounting design reduces stress fractures
Fits These Machines
- for Ski Doo Formula SL 500 F/C 121 (1995-1997)
On-The-Job Use
- Corrects intermittent spark issues that cause hesitation or loss of power
- Allows reliable trail riding in wet snow and icy conditions
- Common replacement for high-mileage snowmobiles with aging electrical parts
Specs At A Glance
| Part Number(s) | 420965756 |
| Compatible Engine | 500 F/C 121 |
| Compatible Model | Formula SL |
| Years | 1995-1997 |
Good To Know
Q: What symptoms indicate this CDI module needs replacing? A: Common signs include no spark, intermittent shutdown, or poor acceleration that persists after checking the stator and coil.
Q: Can this CDI module be used on other Ski Doo models? A: It is specifically designed for the Formula SL 500 F/C 121, and using it on other engines may result in incorrect timing or performance issues.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.