| Marque | Ngk |
| Qualité | Standard |
| HONDA | NC50 Express | 50 cc | 1980 - 1983 | |
| KAWASAKI | KFX50 (KSF [US]) | 50 cc | 2002 | |
| KAWASAKI | KFX50 (KSF [US]) | LM4AA | 50 cc | 2003 - 2004 |
| KAWASAKI | KFX50 (KSF [US]) | RK7AA | 50 cc | 2005 - 2006 |
| KAWASAKI | KFX50 (KSF [US]) | RGSW | 50 cc | 2007 - 2009 |
| KAWASAKI | KFX80 (KSF[US]) | LM4AA | 80 cc | 2003 - 2004 |
| KAWASAKI | KFX80 (KSF[US]) | RK7AC | 80 cc | 2005 - 2006 |
