CDI Ignition Module for Yamaha YFZ450 2004-2009
CDI Ignition Module for Yamaha YFZ450 2004-2009
SKU:RM02148
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CDI Box for Yamaha YFZ450 2004-2009
Fits Yamaha YFZ450 2004-2009
This CDI (Capacitor Discharge Ignition) module is built to OEM specifications as a direct plug-in replacement for the ignition system on the Yamaha YFZ450. It restores reliable spark timing for consistent starting and running.
The unit is fitted with a 2-plug, 12-pin connector layout matching the factory harness, and measures 86mm long by 81mm wide with a 30mm case height, so it installs directly in place of the original module without any changes to the surrounding wiring.
Key Features
- Direct OEM fit and finish, no wiring modifications required
- 2-plug, 12-pin connector layout matching the original harness
- 86 x 81 x 30mm case for a direct swap
- Covers Yamaha YFZ450 2004-2009
- Please note: CDI units are excluded from warranty and are non-refundable once fitted
Technical Specs
| Specification | Detail |
|---|---|
| Height | 30mm |
| Length | 86mm |
| Width | 81mm |
| Plugs | 2 |
| Pins | 12 |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Yamaha YFZ450 | 2004-2009 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 5TG-85540-00-00 | Yamaha |
| 5TG-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.
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.
Do I need to reprogram or reset anything after fitting?
No, the unit is a like-for-like electronic replacement - once connected it works immediately with no reprogramming, resetting, or additional adjustment needed.
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