| Yamaha WR250F, WR400F, WR426F, WR450F YAMAHA ENGINE, PARTS, AND FRAME Identification page In an effort to help fellow bikers properly ID their bike I have provided the following information on VIN ( Vehicle Identification Number ) , Engine ID and part identification. All the information provided is to the best of my knowledge correct. As we part more bikes out we will add more information to this chart. If you find something that is not accurate, please let us know and we will fix it. This information is not intended for use outside of this web site or for publication. In other words, use this information at your own risk. | YEAR | TYPE | ENGINE ID | VIN FRAME USA ONLY | CARBURETOR | CHAIN GUIDE | CLUTCH BOSS (INNER) | CLUTCH PRESSURE PLATE (OUTER) | FORK INFO | CDI | HEAD | STATOR | STATOR COVER | SHOCK ARM LINKAGE | CARB BOOT AND REED BOLT PATTERN | CLUTCH COVER | INNER CLUTCH COVER | CLUTCH BASKET | REAR AXLE | REAR HUB | FRONT HUB | SHIFT FORKS | CYLINDER | OIL CAPACITY | REAR BRAKE ROTOR | FRONT BRAKE ROTOR | CRANK SHAFT | EXHAUST VALVE | FRONT BRAKE CALIPER | KICK LEVER SHAFT ASY | REAR BRAKE BACKING PLATE | REAR BRAKE CALIPER | SWING ARM | SWING ARM PIVOT PIN | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2001 | WR250F | G322E-00---- | JYACG11371A00---- | KEIHIN 5PHI00PB01 FLAT CR | | | | USD - Y5DH-L Y5DH-R 46MM CHROME OD - C/L 37" - UPPER 53.9MM - LOWER 58.4MM - BRAKE C/L 102MM - AXLE 25MM & 20MM | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | FITS 98-00 WR400F - 01 WR250F WR426F | | | | | | | | | FITS 01-05 WR250F, 02-05 YZ250F | | | | FITS 98-01 YZ125 YZ250, 01 YZ250F WR250F WR426F, 98-99 YZ400F, 00-01 YZ426F, 98-00 WR400F 5DH-22141-00-00 | | 2002 | WR250F | | | | | | | | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | FITS 01-05 WR250F, 02-05 YZ250F | | | | | | 2003 | WR250F | | | | | | | | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | FITS 01-05 WR250F, 02-05 YZ250F | | | FITS 03-04 YZ125 YZ250 YZ250F YZ450F WR250F WR450F 5UN-22110-00-00 | | | 2004 | WR250F | | | | | | | | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | FITS 01-05 WR250F, 02-05 YZ250F | | | FITS 03-04 YZ125 YZ250 YZ250F YZ450F WR250F WR450F 5UN-22110-00-00 | | | 2005 | WR250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | FITS 01-05 WR250F, 02-05 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1998 | WR400F | H308E-00---- | JYACH02W2WA00XXXX | KEIHIN 5BE1 01NB04 FLAT CR FITS 98-99 WR400F | FITS 97-02 YZ125, YZ250, 98-00 WR400F, 98-99 YZ400F, 00-02 YZ426F, 01-02 WR426F | | | | | | | | | | 5BE-15415-00-00 - 5BE - FITS 98-99 YZ400F WR4000F | FITS 98-99 YZ400F WR400F | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | FITS 98-00 WR400F - 01 WR250F WR426F | | | | | | FITS 98-00 WR400F, 98-99 YZ400F | | FITS 98-00 YZ125, YZ250, WR400F, 98-99 YZ400F, YZ426F | | | FITS 98 YZ400F WR400F, 97 YZ250 | | FITS 98-01 YZ125 YZ250, 01 YZ250F WR250F WR426F, 98-99 YZ400F, 00-01 YZ426F, 98-00 WR400F 5DH-22141-00-00 | | 1999 | WR400F | H309E-00---- | | KEIHIN 5BE1 01NB04 FLAT CR FITS 98-99 WR400F | FITS 97-02 YZ125, YZ250, 98-00 WR400F, 98-99 YZ400F, 00-02 YZ426F, 01-02 WR426F | | | USD - Y5DH-L Y5DH-R 46MM CHROME OD - C/L 37" - UPPER 53.9MM - LOWER 58.4MM - BRAKE C/L 102MM - AXLE 25MM & 20MM | | | | | | | 5BE-15415-00-00 - 5BE - FITS 98-99 YZ400F WR4000F | FITS 98-99 YZ400F WR400F | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | FITS 98-00 WR400F - 01 WR250F WR426F | | | | | | FITS 98-00 WR400F, 98-99 YZ400F | | FITS 98-00 YZ125, YZ250, WR400F, 98-99 YZ400F, YZ426F | | | | | FITS 98-01 YZ125 YZ250, 01 YZ250F WR250F WR426F, 98-99 YZ400F, 00-01 YZ426F, 98-00 WR400F 5DH-22141-00-00 | | 2000 | WR400F | | | | FITS 97-02 YZ125, YZ250, 98-00 WR400F, 98-99 YZ400F, 00-02 YZ426F, 01-02 WR426F | | | | | | | | | | FITS 00 WR400F, 00-02 YZ426F, 01-02 WR426F | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | FITS 98-00 WR400F - 01 WR250F WR426F | | | | | | FITS 98-00 WR400F, 98-99 YZ400F | | | | | | | FITS 98-01 YZ125 YZ250, 01 YZ250F WR250F WR426F, 98-99 YZ400F, 00-01 YZ426F, 98-00 WR400F 5DH-22141-00-00 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2001 | WR426F | | | | FITS 97-02 YZ125, YZ250, 98-00 WR400F, 98-99 YZ400F, 00-02 YZ426F, 01-02 WR426F | FITS 00-02 YZ426, 01-02 WR426 | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | FITS 00 WR400F, 00-02 YZ426F, 01-02 WR426F | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | FITS 98-00 WR400F - 01 WR250F WR426F | | | | | | | | | | | | | FITS 98-01 YZ125 YZ250, 01 YZ250F WR250F WR426F, 98-99 YZ400F, 00-01 YZ426F, 98-00 WR400F 5DH-22141-00-00 | | 2002 | WR426F | J309E-00---- | | | FITS 97-02 YZ125, YZ250, 98-00 WR400F, 98-99 YZ400F, 00-02 YZ426F, 01-02 WR426F | FITS 00-02 YZ426, 01-02 WR426 | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | FITS 00 WR400F, 00-02 YZ426F, 01-02 WR426F | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2003 | WR450F | | | | | | | | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | | | | FITS 03-04 YZ125 YZ250 YZ250F YZ450F WR250F WR450F 5UN-22110-00-00 | | | 2004 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | 22MM FITS 99-04 YZ125 YZ250, 01-04 YZ250F WR250F, 99 YZ400F, 00-02 YZ426F, 03-04 YZ450F WR450F, 99-00 WR400F, 01-02 WR426F - 5ET-25381-00-00 | | | | | | | | | | | | | | FITS 03-04 YZ125 YZ250 YZ250F YZ450F WR250F WR450F 5UN-22110-00-00 | | | 2005 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2006 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2007 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2009 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2010 | WR450F | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2011 | WR450F | | | | | | FITS 00-02 YZ426F, 03-06 YZ450F, 01-02 WR426F, 03-09 & 2011 WR450F, 02-09 YZ250F | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |