Performance CDI Module – Yamaha YFB250 Timberwolf / YFM250 Bear Tracker ATV – Replaces 4BD-85540-10-00 – 1994–2000
Performance CDI Module – Yamaha YFB250 Timberwolf / YFM250 Bear Tracker ATV – Replaces 4BD-85540-10-00 – 1994–2000 is backordered and will ship as soon as it is back in stock.
Delivery and Shipping info
Delivery and Shipping info
- Standard delivery (2-4 working days) - £4.99 on eligible UK mainland orders under £50.
- Express delivery - £6.99 on eligible UK mainland orders placed before 2pm.
- Large equipment including international orders are subject to different delivery rates and timescales.
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Returns
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Performance CDI Module – Yamaha YFB250 Timberwolf / YFM250 Bear Tra...
This performance CDI module is a direct plug-and-play replacement for the Yamaha YFB250 Timberwolf and YFM250 Bear Tracker ATV, covering 1994 to 2000 model years. Higher-grade electronic components that exceed OEM specification deliver an enhanced timing curve and raise the rev limiter by approximately 1000 RPM over stock. All units are tested before dispatch.
Manufactured to meet or exceed OEM standards, this unit replaces Yamaha OEM reference 4BD-85540-10-00 and is a dependable aftermarket solution for servicing and upgrading the Yamaha YFB250 Timberwolf and YFM250 Bear Tracker range.
Please note: CDI units are non-refundable and are not covered by warranty due to the specific nature of this technology. Please contact us before ordering if you have any questions.
Fitment
| Model | Year Range |
|---|---|
| Yamaha YFB250 Timberwolf | 1994–2000 |
| Yamaha YFM250 Bear Tracker | 1999–2000 |
| Yamaha YFM250 Bear Tracker California | 1999–2000 |
Key Features
| Feature | Detail |
|---|---|
| Component | Performance CDI Module |
| Fitment | Plug-and-play — no modification required |
| Performance | Enhanced timing curve, +1000 RPM rev limiter |
| Components | Higher-grade electronics — exceeds OEM spec |
| Quality Control | All units tested before dispatch |
| OEM Reference | Replaces Yamaha 4BD-85540-10-00 |
OEM Cross-Reference
| OEM Part Number | Manufacturer |
|---|---|
| 4BD-85540-10-00 | Yamaha |
Specifications
| Specification | Detail |
|---|---|
| Component | Performance CDI Module |
| Application | Yamaha YFB250 Timberwolf / YFM250 Bear Tracker |
| Year Range | 1994–2000 |
| Rev Limiter | Raised by approximately 1000 RPM over stock |
| Warranty | Not covered — CDI units are non-refundable |
| Condition | New — tested before dispatch |
Payment & Security
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