| 2012 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2011 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2009 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2008 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2007 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2006 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2005 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2004 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2003 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2002 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2001 |
Yamaha |
WR250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2012 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2011 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2010 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2009 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2008 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2007 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2006 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2005 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |
| 2004 |
Yamaha |
YZ250F |
-- |
Notes:Intake - All YZ/WR250F are five valve engines using three intake seats and two exhaust seats. |