Description
Features
- Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
- Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
- Patented Ultraseal coated shell for rust prevention
- Made in the USA
| Position | Notes | |||
|---|---|---|---|---|
| 1982, 1983, 1984, 1985, 1986, 2007, 2008 | Yamaha | DT 125 | - | - |
| 1981-1983 | Yamaha | DT 250 | - | - |
| 1979-1981 | Yamaha | DT 400 | - | - |
| 1986-2004 | Yamaha | YZ250 | - | - |
| 1977-1978 | Yamaha | DT400 | - | - |
| 2003-2004 | Yamaha | Banshee 350 LE 4x2 | - | - |
| 1981-1982 | Yamaha | RD 250 | - | - |
| 1989 | Beta | TR 34 125 | - | - |
| 1989-1991 | Beta | TR35 | - | - |
| 1989-1990 | Beta | TR 35 125 | - | - |
| 1989-1990 | Beta | TR34 260 | - | - |
| 1992-1998 | Beta | Alp 260 | - | - |
| 1991-1992 | Beta | TR 34 260 | - | - |
| 1990 | Beta | TR34 125 | - | - |
| 1992 | Beta | TR 35 260 | - | - |
| 1978-1979 | Bultaco | Frontera 250 | - | - |
| 1972-1977 | Bultaco | Astro 360 | - | - |
| 1971, 1972, 1973, 1974, 1977, 1978, 1979 | Bultaco | Pursang 250 | - | - |
| 1968-1976 | Bultaco | Matador 250 | - | - |
| 1977-1979 | Bultaco | Pursang 370 | - | - |
| 1978-1979 | Bultaco | Frontera 370 | - | - |
| 1971-1974 | Bultaco | Pursang 360 | - | - |
| 1989-1998 | Cagiva | Elefant | - | - |
| 1991-1998 | Cagiva | K3 50 | - | - |
| 1982-1988 | Cagiva | Alazzurra 350 TL | - | - |
| 1991-1998 | Cagiva | W4 | - | - |
| 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 | Kawasaki | KE 125 | - | - |
| 1976-1983 | Kawasaki | KE125 | - | - |
| 1976 | Kawasaki | KV100 | - | - |
| 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 | Kawasaki | KV 100 | - | - |
| 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2011, 2012, 2013 | Kawasaki | KZ 1000 | - | - |
| 1973-1985 | Kawasaki | KZ 1100 | - | - |
| 1981-1984 | Kawasaki | KLT250 | - | - |
| 1979-1989 | Kawasaki | KZ 1300 A | - | - |
| 1978, 1979, 1980, 1985, 1986, 1987, 1988, 1989, 1990, 1991 | Kawasaki | KLT 250 | - | - |
| 1977-1979 | Kawasaki | KE250 | - | - |
| 1986-1987 | Kawasaki | KLT185 | - | - |
| 1980 | Kawasaki | KE 250 | - | - |
| 1988 | Kawasaki | KLT 185 | - | - |
| 1988 | Kawasaki | KLF 300 Bayou | - | - |
| 1977, 1981, 1982, 1983, 1996, 1997, 1998, 1999, 2000, 2001 | Suzuki | GS 1000 E | - | - |
| 1977, 1978, 1979, 1982, 1983, 1996, 1997, 1998, 1999, 2000, 2001 | Suzuki | GS 1000 GL | - | - |
| 1980 | Suzuki | GS850G | - | - |
| 1987-1990 | Suzuki | LT500R QuadRacer | - | - |
| 1980-1981 | Suzuki | GS1000GL | - | - |
| 2001-2003 | Suzuki | RM250 | - | - |
| 1978-1980 | Suzuki | GS1000E | - | - |
| 1978-1980 | Suzuki | RM400 | - | - |
| 1983 | Suzuki | RM500 | - | - |
| 1980 | Suzuki | GS850GL | - | - |
| 1971-1972 | BSA | B50 MX Motocross | - | - |
| 1969-1972 | BSA | A75R Rocket Three | - | - |
| 1976 | Honda | MR250 | - | - |
| 1975, 1977, 1986 | Honda | MR250 Elsinore | - | - |
| 1976 | Honda | MT250K Elsinore | - | - |
| 1974-1975 | Honda | MT250 | - | - |
| 1993 | Aprilia | Amico 50 GL | - | - |
| 1993 | Aprilia | Amico 50 LX | - | - |