Logo

Mercury

Mercury spark plug

Champion Spark Plugs for Mercury Outboard Motors

Champion spark plugs are original equipment on many outboard and inboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below. You may also find the Champion spark plug code helpful.

Year Model / Engine Copper Plus Plug Alternate Plug Gap
300 HP
1983-1980   QL6VC L6VC
1999-1997 3.0L QL77CC 0.035
2004-2002 Pro Max 300X V6 DFI QL77PP  
1999-1997 S3000 2.5L EFI QL6VC L6VC
280 HP
1999-1997 F1 2.0L EFI QL76V L76V
2002 Offshore 2.5L EFI QL77JC4 L77JC4 0.035
2002 Sport, SS 2.5L EFI QL77JC4 L77JC4 0.035
275 HP
1994-1989   QL6VC L6VC
265 HP
1997 SS Drag 2.5L EFI QL6VC L6VC
260 HP
1999 Offshore 2.5L QL77CC 0.035
1998-1995 Offshore 2.5L QL6VC L6VC
250 HP
1990-1989 3.4L QL6VC L6VC
2003-1995 XRi EFI V-6 6-Cylinder QL77CC 0.035
245 HP
1996-1995 2.5L QL6VC L6VC
225 HP
1981-1980   QL6VC L6VC
2004-2003 OptiMax 225XS V6 2-Stroke 2-Stroke QC12GMC 0.04
2004-1996 OptiMax V6 DFI QC12GMC 0.04
2004-1995 Sea Pro 3.0L V6 QL77CC 0.035
2001-1994 V-6 6-Cylinder QL77CC 0.035
2004-1995 XRi EFI V-6 6-Cylinder QL77CC 0.035
220 HP
1988-1987 XRi QL6VC L6VC
200 HP
1997 Duece High 2.0L EFI QL6VC L6VC
2004-2002 OptiMax 200 XS V6 QC12GMC 0.04
2004-2000 Optimax 200XS 2.5L QC12GMC 0.04
2004-2000 Optimax 200XS 3.0L QC12GMC 0.04
2004-1996 OptiMax V6 DFI QC12GMC 0.04
1999-1997 SST 120 2.0L EFI QL76V L76V
2002-2000 V-6 6-Cylinder QL6VC L6VC
  V-6 6-Cylinder QL82YC L82YC 0.04
1999-1978 V-6 6-Cylinder QL6VC L6VC
1999-1997 XR2 SS 2.0L EFI QL76V L76V
2002-2000 XRi EFI V-6 6-Cylinder QL6VC L6VC
  XRi EFI V-6 6-Cylinder QL82YC L82YC 0.04
1999-1997 XRi EFI V-6 6-Cylinder QL6VC L6VC
175 HP
2004-2001 OptiMax V6 DFI QC12GMC 0.04
1999-1976 V-6 6-Cylinder QL6VC L6VC
2004-2003 XRi EFI V-6 6-Cylinder QL82YC L82YC 0.04
2002-2000 XRi EFI V-6 6-Cylinder QL6VC L6VC
  XRi EFI V-6 6-Cylinder QL82YC L82YC 0.04
1999-1991 XRi EFI V-6 6-Cylinder QL6VC L6VC
150 HP
1977-1973   QL76V L76V
2004-2000 150 EFI 6-Cylinder 2-Stroke 2-Stroke QL82YC L82YC 0.04
1999 2.0L QL6VC L6VC
1999 2.5L QL6VC L6VC
2004-1996 OptiMax V6 DFI QC12GMC 0.04
1999-1978 V-6 6-Cylinder QL6VC L6VC
2002-1985 XR2 6-Cylinder QL6VC L6VC
2002-1985 XR4 6-Cylinder QL6VC L6VC
2002-1985 XR6 V-6 6-Cylinder QL6VC L6VC
2002-1993 XRi EFI V-6 6-Cylinder QL6VC L6VC
140 HP
1980-1970   QL76V L76V
1999-1995 140 Jet QL6VC L6VC
135 HP
1971-1970   QL76V L76V
2000 135 V6 QL82YC L82YC 0.04
1999-1986 135 V6 QL6VC L6VC
2004-1996 OptiMax V6 DFI QC12GMC 0.04
125 HP
1969-1966 1250BP QL76V L76V
1969-1966 1250SS QL76V L76V
2004-1994 4-Cylinder QL78YC L78YC 0.04
115 HP
2004-1989 4-Cylinder 2-Stroke 2-Stroke QL78YC L78YC 0.04
1988-1970 6-Cylinder QL76V L76V
2004-2000 DOHC 4-Cylinder MFI 4-Stroke REC10YC4 0.04
2004-2000 OptiMax V6 DFI QC12GMC 0.04
110 HP
1969-1967 1100 QL76V L76V
  1100 QL82C L82C 0.03
1966 1100 QL76V L76V
1969-1966 1100SS QL76V L76V
105 HP
1998-1995 105 Jet QL6VC L6VC
100 HP
1966-1960 1000 J4C 0.025
1969-1966 1000BP QL76V L76V
1969-1966 1000SS QL76V L76V
1999-1988 4-Cylinder QL78YC L78YC 0.04
95 HP
1969-1967 950 QL76V L76V
  950 QL82C L82C 0.03
1966 950 QL76V L76V
1969-1966 950SS QL76V L76V
90 HP
2006-1987 3-Cylinder 2-Stroke 2-Stroke QL78V L78V
1986-1978 6-Cylinder QL76V L76V
90 HP
1966-1960 900 J4C 0.025
2004-2000 DOHC 90 4-Cylinder 4-Stroke 4-Stroke REC10YC4 0.044
2004-2003 OptiMax 3-Cylinder RC12PMPB4 0.03
85 HP
1977-1973   QL76V L76V
1966-1960 850 J4C 0.025
80 HP
1989-1978   QL78V L78V
1972-1969   QL76V L76V
2004-1995 80 Jet QL78YC L78YC 0.04
1969-1966 800 QL76V L76V
1966-1960 800E Serial Number 1403610 J4C 0.025
1966-1960 800E Serial Number 1403611 J4C 0.025
1966-1960 800EL Serial Number 1405606 J4C 0.025
1966-1960 800EL Serial Number 1405607 J4C 0.025
75 HP
2006-1987 3-Cylinder 2-Stroke 2-Stroke QL78V L78V
1986-1984 4-Cylinder QL78V L78V
2001-1990 75 Sea Pro 2-Stroke QL78V L78V
2004-2000 DOHC 75 4-Cylinder 4-Stroke 4-Stroke REC10YC4 0.044
2004-2003 OptiMax 3-Cylinder RC12PMPB4 0.03
70 HP
1989-1987   QL78V L78V  
1983-1977   QL76V L76V
    RJ6C J6C 0.025
1966-1960 700 RJ6C J6C 0.025
65 HP
1976-1970   QL76V L76V
2004-1995 65 Jet QL78V L78V
1966-1960 650 J4C 0.025
1969-1967 650S QL82C L82C 0.03
1966-1960 650S J4C 0.025
1969-1966 650SS QL76V L76V
60 HP
1990-1984   QL76V L76V
    RJ6C J6C 0.025
2002-1991 3-Cylinder QL78YC L78YC 0.04
2004-2001 60 4-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
2004-1995 60 Big Foot 3-Cylinder QL78YC L78YC 0.04
2004-1991 60 Sea Pro 3-Cylinder QL78YC L78YC 0.04
1966-1960 600 RJ6C J6C 0.025
55 HP
2004-1992 55 Sea Pro QL78YC L78YC 0.04
50 HP
1990-1970   QL76V L76V
2004-1991 50 3-Cylinder 2-Stroke 2-Stroke QL78YC L78YC 0.04
1966-1960 500 RJ6C J6C 0.025
1969-1967 500M QL82C L82C 0.03
1969-1967 500S QL82C L82C 0.03
1969-1966 500SS QL76V L76V
2004-1995 Big Foot 4-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
45 HP
1989-1986   QL78V L78V
    RJ6C J6C 0.025
1966-1960 400 RJ6C J6C 0.025
2004-1995 45 BoDensee 4-Cylinder RA8HC 0.035
2003-1995 45 Jet 3-Cylinder QL78YC L78YC 0.04
40 HP
1983-1970   QL76V L76V
    RJ6C J6C 0.025
2004-1995 2-Cylinder QL78YC L78YC 0.04
2004-1997 3-Cylinder QL78YC L78YC 0.04
1965-1960 350 RJ6C J6C 0.025
40 HP
1997-1988 4-Cylinder QL78V L78V
2004-1995 40 Sea Pro QL78YC L78YC 0.04
2004-1998 Big Foot D706 4-Stroke RA8HC 0.035
35 HP
1991-1984   QL76V L76V
    RJ6C J6C 0.025
1966-1960 300 RJ6C J6C 0.025
1969-1967 350 QL82C L82C 0.03
1966 350 J4C 0.025
1965-1960 350 RJ6C J6C 0.025
31 HP
    RJ6C J6C 0.02
30 HP
2003-1995 2-Cylinder 2-Stroke 2-Stroke QL78YC L78YC 0.04
2004-1999 2-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
2001-1998 30 Jet 3-Cylinder QL78YC L78YC 0.04
1997-1995 30 Jet 3-Cylinder QL78V L78V
2004-1995 30 Sea Pro 2-Cylinder QL78YC L78YC 0.04
25 HP
    RJ6C J6C 0.025
2004-1980 2-Cylinder 2-Stroke 2-Stroke QL78YC L78YC 0.04
1966-1960 200 RJ6C J6C 0.025
2002-1993 25 Sea Pro 2-Cylinder QL78YC L78YC 0.04
1966-1960 250 RJ6C J6C 0.025
2004-1997 Big Foot 4-Stroke RA8HC 0.035
22 HP
    RJ6C J6C 0.025
20 HP
1981-1970   QL78V L78V
1969-1967 110 QL82C L82C 0.03
2003-1986 2-Cylinder 2-Stroke 2-Stroke QL78YC L78YC 0.04
2004-1995 20 Jet 2-Cylinder QL78YC L78YC 0.04
1969-1967 200 QL82C L82C 0.03
1966-1960 200 RJ6C J6C 0.025
1966-1960 250 RJ6C J6C 0.025
18 HP
1985-1980   QL77JC4 L77JC4 0.04
16 HP
    RJ6C J6C 0.025
15 HP
    RJ8C J8C 0.025
2004-1995 15 Sea Pro 2-Cylinder L92LCC 0.04
1966-1960 150 RJ8C J8C 0.025
2004-1989 2-Cylinder 2-Stroke 2-Stroke L92LCC 0.04
2004-1998 Big Foot 4-Stroke RA8HC 0.035
11 HP
1969-1967 110 QL82C L82C 0.03
1969-1967 200 QL82C L82C 0.03
10 HP
1996-1991   QL78YC6 L78YC6 0.06
    RJ8C J8C 0.025
2004-1991 10 Sea Pro QL78YC6 L78YC6 0.06
1966-1960 100 RJ8C J8C 0.025
1966-1960 110 RJ8C J8C 0.025
1998 XR10 QL78YC6 L78YC6 0.06
9.9 HP
1994-1986   QL78YC L78YC 0.04
2004-1995 2-Cylinder 2-Stroke 2-Stroke L92LCC 0.04
2004-2000 2-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
2004-1995 Big Foot 4-Stroke Z9Y 0.026
2004-1995 Sail Power 4-Stroke Z9Y 0.026
9.8 HP
1985-1979   QL77JC4 L77JC4 0.04
1978-1970   QL78V L78V
8 HP
2004-1986 2-Cylinder L92LCC 0.04
2004-1995 8 BoDensee Z9Y 0.026
7.5 HP
1985-1979   QL77JC4 L77JC4 0.04
1978-1970   QL78V L78V
    RJ8C J8C 0.025
1969-1967 75 QL86C L86C 0.03
6 HP
2004-2000 1-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
2003-1986 2-Cylinder 2-Stroke 2-Stroke L92LCC 0.04
1969-1967 60 QL86C L86C 0.03
1966-1960 60 RJ8C J8C 0.025
5 HP
    RJ8C J8C 0.025
2004-1988 1-Cylinder 2-Stroke 2-Stroke RL82YC L82YC 0.04
2004-2000 1-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
4.5 HP
1985-1975   QL78V L78V
4 HP
1987-1986   QL78V L78V
1981-1980   RL82YC L82YC 0.035
1979-1976   QL86C L86C 0.05
1974-1973   QL78V L78V
1972   QL78V L78V
    RL82YC L82YC 0.035
1971-1970   QL78V L78V
2004-1988 1-Cylinder 2-Stroke 2-Stroke QL82YC L82YC 0.04
2004-2000 1-Cylinder 4-Stroke 4-Stroke RA8HC 0.035
1969-1967 40 L90C 0.03
3.9 HP
1969-1967 39 L90C 0.03
1966-1960 39 RJ8C J8C 0.025
3.6 HP
1982-1980   RL82YC L82YC 0.04
3.5 HP
1985-1983   RL82YC L82YC 0.04
3.3 HP
2004-1993   QL87YC L78YC 0.04
3 HP
1992-1990   RL82YC L82YC 0.04
2.5 HP
2004-1993   QL87YC L78YC 0.04
2.2 HP
1989-1984   QL87YC L78YC 0.04
1991   QL76V L76V
1988-1984   QL6VC L6VC