Brand
NGK
| Make | Model | Year |
|---|---|---|
| HONDA | CR125R | 1981 - 2007 |
| KAWASAKI | KDX220 | 1997 - 2003 |
| KAWASAKI | KX125 | 1982 - 2003 |
| KAWASAKI | KX60 | 1983 - 2001 |
| KTM | EXC 200 | 2003 - 2016 |
| KTM | SX 200 | 2003 - 2004 |
| KTM | SX 250 | 1995 - 2002 |
| YAMAHA | WR200 | 1998 - 2000 |
| YAMAHA | YZ125 | 1991 - 2020 |
| YAMAHA | YZ250 | 1996 - 1997 |