Honda Sportrax 400EX NGK DPR8Z Spark Plug Tune up TRX400EX 400 ex 99 - 14
| Year | Make | Model | Submodel |
| 2008 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2007 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2006 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2005 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2004 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2003 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2002 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2001 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2000 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 1999 | Honda | Sportrax 400 | TRX400EX 2x4 |
| 2014 | Honda | TRX400X | 2x4 |
| 2013 | Honda | TRX400X | 2x4 |
| 2012 | Honda | TRX400X | 2x4 |
| 2009 | Honda | TRX400X | 2x4 |
