| Bulletin Date: | Apr. 9, 2001 |
| Component: | Ignition module |
| Bulletin Summary: | Some customers with an earlier stock ecm may experience a cold ambient, light load, 1800 - 2000 rpm stumble or cold weather plug fouling. |
| Vehicles covered in this TSB: |
1997 Harley Davidson Evolution,
1998 Harley Davidson Evolution,
1999 Harley Davidson Twin Cam,
2000 Harley Davidson Twin Cam,
2001 Harley Davidson Twin Cam.
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