CDI Ignition Module for Yamaha YFM 350 Big Bear & Moto-4
CDI Ignition Module for Yamaha YFM 350 Big Bear & Moto-4
SKU:RM02098
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CDI Box for Yamaha YFM 350 Big Bear & Moto-4
Fits Yamaha YFM 350 Big Bear (1990-1994) & YFM 350 Moto-4 (1990, 1992-1994)
This CDI (Capacitor Discharge Ignition) module is built to OEM specifications as a direct plug-in replacement for the ignition system on the Yamaha YFM 350 Big Bear and Moto-4. It restores reliable spark timing for consistent starting and running.
The unit is fitted with a 2-plug, 11-pin connector layout matching the factory harness, and measures 90mm long by 95mm wide with a 25mm case height, so it installs directly in place of the original module. Follow the colour code on the supplied connectors (black/white to black/white, green to black) for the correct output.
Key Features
- Direct OEM fit and finish, no wiring modifications required
- 2-plug, 11-pin connector layout matching the original harness
- 90 x 95 x 25mm case for a direct swap
- Covers Yamaha YFM 350 Big Bear and YFM 350 Moto-4
- Please note: CDI units are excluded from warranty and are non-refundable once fitted
Technical Specs
| Specification | Detail |
|---|---|
| Height | 25mm |
| Length | 90mm |
| Width | 95mm |
| Plugs | 2 |
| Pins | 11 |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Yamaha YFM 350 Big Bear | 1990-1994 |
| Yamaha YFM 350 Moto-4 | 1990 |
| Yamaha YFM 350 Moto-4 | 1992-1994 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 3HN-85540-10-00 | Yamaha |
Frequently Asked Questions
Will this CDI fit without any modifications?
Yes, it is a direct plug-in replacement using the original connector layout, so no cutting or splicing of the wiring loom is required. Note that wire colour codes may differ from the original but every wire is installed in the correct position.
What is included?
One CDI module, ready to fit in place of the original unit.
How can I tell my CDI has failed?
Common symptoms include no spark, intermittent misfiring, stalling, or a complete failure to start even though the battery and starter are working normally.
Is this CDI covered by warranty?
Due to the sealed electronic nature of CDI units they are excluded from our standard warranty and are non-refundable once fitted. Please confirm the OEM number against your original unit before ordering.
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