| Marque | Ngk |
| Qualité | Standard |
| MOTO GUZZI | NTX350 | LA | 350 cc | 1987 - 1991 |
| MOTO GUZZI | V35 Florida 350 | PK | 350 cc | 1987 - 1992 |
| MOTO GUZZI | V35 III 350 | PY | 350 cc | 1985 - 1987 |
| MOTO GUZZI | V50 III 500 | PB | 500 cc | 1981 - 1985 |
| MOTO GUZZI | V50 Monza 500 | PE | 500 cc | 1980 - 1986 |
| MOTO GUZZI | NTX650 | LB | 650 cc | 1987 - 1989 |
| MOTO GUZZI | V65 650 | PG | 650 cc | 1982 - 1986 |
| MOTO GUZZI | V65 Florida 650 | PW | 650 cc | 1986 - 1991 |
| MOTO GUZZI | V65 SP 650 | PG | 650 cc | 1982 - 1987 |
| MOTO GUZZI | V65 TT 650 | PV | 650 cc | 1984 - 1986 |
| MOTO GUZZI | Le Mans IV 1000 | VV | 1000 cc | 1984 - 1988 |
