NGK Laser Iridium Spark Plug Part# CR8EIX Yamaha YZ250F YZ450F WR250F YZ426F WR
| Year | Make | Model | Submodel |
| 2018 | Yamaha | YZ250F | -- |
| 2017 | Yamaha | YZ250F | -- |
| 2016 | Yamaha | YZ250F | -- |
| 2015 | Yamaha | YZ250F | -- |
| 2014 | Yamaha | YZ250F | -- |
| 2014 | Yamaha | YZ250F | Team Yamaha |
| 2013 | Yamaha | YZ250F | -- |
| 2013 | Yamaha | YZ250F | Team Yamaha |
| 2012 | Yamaha | YZ250F | -- |
| 2012 | Yamaha | YZ250F | Team Yamaha |
| 2011 | Yamaha | YZ250F | -- |
| 2011 | Yamaha | YZ250F | Team Yamaha |
| 2010 | Yamaha | YZ250F | -- |
| 2009 | Yamaha | YZ250F | -- |
| 2008 | Yamaha | YZ250F | -- |
| 2007 | Yamaha | YZ250F | -- |
| 2006 | Yamaha | YZ250F | -- |
| 2006 | Yamaha | YZ250F | 50th Anniversary |
| 2005 | Yamaha | YZ250F | -- |
| 2004 | Yamaha | YZ250F | -- |
| 2003 | Yamaha | YZ250F | -- |
| 2002 | Yamaha | YZ250F | -- |
| 2001 | Yamaha | YZ250F | -- |
| 2018 | Yamaha | YZ250FX | -- |
| 2017 | Yamaha | YZ250FX | -- |
| 2016 | Yamaha | YZ250FX | -- |
| 2015 | Yamaha | YZ250FX | -- |
| 2002 | Yamaha | YZ426F | -- |
| 2001 | Yamaha | YZ426F | -- |
| 2000 | Yamaha | YZ426F | -- |
| 2018 | Yamaha | YZ450F | -- |
| 2017 | Yamaha | YZ450F | -- |
| 2016 | Yamaha | YZ450F | -- |
| 2015 | Yamaha | YZ450F | -- |
| 2014 | Yamaha | YZ450F | -- |
| 2014 | Yamaha | YZ450F | Team Yamaha |
| 2013 | Yamaha | YZ450F | -- |
| 2013 | Yamaha | YZ450F | Team Yamaha |
| 2012 | Yamaha | YZ450F | -- |
| 2012 | Yamaha | YZ450F | Team Yamaha |
| 2011 | Yamaha | YZ450F | -- |
| 2011 | Yamaha | YZ450F | Team Yamaha |
| 2010 | Yamaha | YZ450F | -- |
| 2009 | Yamaha | YZ450F | -- |
| 2008 | Yamaha | YZ450F | -- |
| 2007 | Yamaha | YZ450F | -- |
| 2006 | Yamaha | YZ450F | -- |
| 2006 | Yamaha | YZ450F | 50th Anniversary |
| 2005 | Yamaha | YZ450F | -- |
| 2004 | Yamaha | YZ450F | -- |
| 2003 | Yamaha | YZ450F | -- |
| 2018 | Yamaha | YZ450FX | -- |
| 2017 | Yamaha | YZ450FX | -- |
| 2016 | Yamaha | YZ450FX | -- |
