There was one technical service bulletin issued for the 2005 Yamaha YP400.
| Bulletin Date: | Jun. 21, 2007 |
| Component: | Engine. |
| Bulletin Summary: | Coupler corrosion makes engine difficult to start. |
| Vehicles covered in this TSB: |
2006 Yamaha CP250,
2007 Yamaha CP250,
2005 Yamaha YP400,
2006 Yamaha YP400,
2007 Yamaha YP400.
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