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Mariner spark plug

Champion Spark Plugs for Mariner 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
1998-1997 2.5L V6 Drag EFI Drag EFI QL76V L76V —
1998-1997 Super Magnum 3.0L V6 EFI QL77CC — 0.035
275 HP
1994-1991 3.4L V6 QL6VC L6VC —
265 HP
1997 2.5L V6 EFI EFI QL6VC L6VC —
260 HP
1998-1995 2.5L V6 EFI EFI QL6VC L6VC —
250 HP
2004-1997 3.0L V6 EFI EFI QL77CC — 0.035
1990-1989 3.4L V6 QL6VC L6VC —
245 HP
1995 2.5L V6 Carb. QL6VC L6VC —
225 HP
2004-1995 3.0L V6 EFI / Carb. EFI / Carb. QL77CC — 0.035
2001-1994 Marathon V6 QL77CC — 0.035
2004-1998 OptiMax V6 DFI QC12GMC — 0.04
1999-1997 Super Magnum V6 EFI QL6VC L6VC —
220 HP
1988-1987 Magnum EFI QL6VC L6VC —
1988-1987 V220 QL6VC L6VC —
200 HP
1988-1980   QL6VC L6VC —
2004-2002 Magnum V6 EFI QL6VC L6VC —
2001-2000 Magnum V6 EFI QL6VC L6VC —
  Magnum V6 EFI QL78YC L78YC 0.04
1999-1989 Magnum V6 EFI QL6VC L6VC —
2004-1997 OptiMax V6 DFI QC12GMC — 0.04
2001-2000 Super Magnum V6 EFI QL78YC L78YC 0.04
1999-1997 Super Magnum V6 EFI QL6VC L6VC —
2004-2002 V200 6-Cylinder QL6VC L6VC —
2001-2000 V200 6-Cylinder QL6VC L6VC —
  V200 6-Cylinder QL78YC L78YC 0.04
1999-1989 V200 6-Cylinder QL6VC L6VC —
175 HP
2001-2000 175 SKI 6-Cylinder QL78YC L78YC 0.04
1999-1989 175 SKI 6-Cylinder QL6VC L6VC —
2001-2000 Magnum V6 EFI QL78YC L78YC 0.04
1999-1989 Magnum V6 EFI QL6VC L6VC —
1999-1978 V-6 6-Cylinder QL6VC L6VC —
1999-1978 V175 6-Cylinder QL6VC L6VC —
150 HP
2001-2000 II 6-Cylinder QL78YC L78YC 0.04
1999-1985 II 6-Cylinder QL6VC L6VC —
2001-2000 III 6-Cylinder QL78YC L78YC 0.04
1999-1985 III 6-Cylinder QL6VC L6VC —
2001-2000 Magnum V6 EFI QL78YC L78YC 0.04
1999-1985 Magnum V6 EFI QL6VC L6VC —
2002-1997 OptiMax V6 DFI QC12GMC — 0.04
1999-1997 Super Magnum V6 EFI QL6VC L6VC —
2001-2000 V-6 6-Cylinder QL78YC L78YC 0.04
1999-1979 V-6 6-Cylinder QL6VC L6VC —
2001-2000 V150 6-Cylinder QL78YC L78YC 0.04
1999-1979 V150 6-Cylinder QL6VC L6VC —
2001-2000 W150 6-Cylinder QL78YC L78YC 0.04
1999-1979 W150 6-Cylinder QL6VC L6VC —
140 HP
1999-1995 140 Jet QL6VC L6VC —
  6-Cylinder QL76V L76V —
135 HP
2001-2000 135 V-6 6-Cylinder QL78YC L78YC 0.04
1999-1986 135 V-6 6-Cylinder QL6VC L6VC —
1999-1986 Marathon 6-Cylinder QL6VC L6VC —
2002-1996 OptiMax V6 DFI QC12GMC — 0.04
1999-1986 W135 6-Cylinder QL6VC L6VC —
125 HP
2002-1994 4-Cylinder QL78YC L78YC 0.04
115 HP
2002-1989 4-Cylinder 2-stroke 2-stroke QL78YC L78YC 0.04
2004-2000 4-Cylinder MFI DOHC 4-Stroke REC10YC4 — 0.04
  6-Cylinder QL76V L76V —
2004-2000 OptiMax V6 DFI QC12GMC — 0.04
105 HP
1999-1995 105 Jet QL6VC L6VC —
100 HP
1999-1988 4-Cylinder QL78YC L78YC 0.04
90 HP
2001-1987 4-Cylinder 2-stroke 2-stroke QL78V L78V —
  6-Cylinder QL76V L76V —
2004-2000 DOHC 90 4-Cylinder 4-Stroke 4-Stroke REC10YC4 — 0.044
85 HP
    QL78V L78V —
80 HP
2001-1995 80 Jet QL78YC L78YC 0.04
  4-Cylinder QL78V L78V —
75 HP
2001-1987 3-Cylinder 2-Stroke 2-Stroke QL78V L78V —
2004-2000 DOHC 75 4-Cylinder 4-Stroke 4-Stroke REC10YC4 — 0.044
2004-1991 Marathon 75 3-Cylinder 2-Stroke 2-Stroke QL78V L78V —
70 HP
2000-1987 3-Cylinder QL78V L78V —
65 HP
2001-1995 65 Jet QL78V L78V —
60 HP
1990-1984 3-Cylinder QL76V L76V —
2004-1991 60 QL78YC L78YC 0.04
  60 6FO QL78C L78C 0.04
2004-1995 60 Big Foot 3-Cylinder QL78YC L78YC 0.04
  60E 2-Cylinder Serial Number 000780 & Below Serial Number 000780 & Below QL78C L78C 0.024
  60E 2-Cylinder Serial Number 000781 & Above Serial Number 000781 & Above QL78C L78C 0.04
  60EL 2-Cylinder Serial Number 302050 & Below Serial Number 302050 & Below QL78C L78C 0.024
  60EL 2-Cylinder Serial Number 302051 & Above Serial Number 302051 & Above QL78C L78C 0.04
2004-1995 Marathon 60 3-Cylinder QL78YC L78YC 0.04
55 HP
  55E Serial Number 004040 & Below QL78C L78C 0.024
  55E Serial Number 004041 & Above QL78C L78C 0.038
  55EL Serial Number 315378 & Below QL78C L78C 0.024
  55EL Serial Number 315379 & Above QL78C L78C 0.038
  M55 663 QL82C L82C 0.04
2004-1991 Marathon 55 QL78YC L78YC 0.04
  W55 663 QL78C L78C 0.04
50 HP
1990-1986 3-Cylinder QL78V L78V —
1985-1980 4-Cylinder QL78V L78V —
2004-1991 849CC 3-Cylinder QL78YC L78YC 0.04
2004-1995 Big Foot 4-Stroke RA8HC — 0.035
48 HP
  48 670, W48 670 QL82C L82C 0.04
45 HP
1989-1986 4-Cylinder QL78V L78V —
2004-1995 45 BoDensee RA8HC — 0.035
2001-1995 45 Jet QL78YC L78YC 0.04
40 HP
2004-1995 40 2-Cylinder QL78YC L78YC 0.04
2001-1998 40 3-Cylinder 2-Cyl. & 3-Cyl. 2-Stroke QL78YC L78YC 0.04
1997-1989 40 4-Cylinder QL78V L78V —
  40A 676A, 40B 675B QL78C L78C 0.024
  40C 6E9, W40 676A QL78C L78C 0.04
2004-1998 Big Foot D896 4-Stroke RA8HC — 0.035
2001-1984 K40 6F5 QL82C L82C 0.024
2004-1995 Marathon 40 2-Cylinder QL78YC L78YC 0.04
1994-1985 Marathon 40 6F6 QL78C L78C 0.04
2001-1984 W40 6F6 QL82C L82C 0.024
30 HP
2002-1995 30 2-Cylinder QL78YC L78YC 0.04
2001-1995 30 Jet QL78YC L78YC 0.04
  30A 689, W30 689A, W30 689B QL82C L82C 0.04
2004-2000 Big Foot 4-Stroke RA8HC — 0.035
2002-1995 Marathon 30 2-Cylinder QL78YC L78YC 0.04
  Marathon 30 698B QL82C L82C 0.024
28 HP
  664 QL82C L82C 0.04
25 HP
2001-1985 25 QL78YC L78YC 0.04
  25A 648, 25B 690, 25C 695 QL77JC4 L77JC4 0.024
2004-1998 Big Foot 4-Stroke RA8HC — 0.035
  K25 6A4 QL82C L82C 0.024
2002-1993 Marathon 25 2-Cylinder QL78YC L78YC 0.04
  Marathon 25 648, 694, 695 QL77JC4 L77JC4 0.04
  W25 648 QL82C L82C 0.024
  W25 694, W25 695 QL77JC4 L77JC4 0.024
20 HP
2004-1985 2-Cylinder QL78YC L78YC 0.04
2001-1995 20 Jet QL78YC L78YC 0.04
  20A 653, 20A 6A9 QL86C L86C 0.024
15 HP
  15A 651, 15A 684 QL82C L82C 0.024
  15B 662, 15B 664 QL82C L82C 0.024
  15C 651, 15C 682, 15C 684 651 QL82C L82C 0.024
  15C 651, 15C 682, 15C 684 682 QL82C L82C 0.038
  15C 651, 15C 682, 15C 684 684 QL82C L82C 0.024
2002-1989 2-Cylinder L92LCC — 0.04
2004-1998 Big Foot 4-Stroke RA8HC — 0.035
  K15 669, K15 6M7, K15C 6K4 QL82C L82C 0.024
  K15 669, K15 6M7, K15C 6K4 QL82C L82C 0.04
2002-1992 Marathon 15 L92LCC — 0.04
  Marathon 15, Marthon 15 684, Marathon 684 QL82C L82C 0.024
  Marathon 15, Marthon 15 684, Marathon 684 QL82C L82C 0.038
  W15 684 QL82C L82C 0.04
10 HP
2004-1991 Magnum QL78YC6 L78YC6 0.06
2004-1991 Marathon QL78YC6 L78YC6 0.06
9.9 HP
1994-1987   QL78YC L78YC 0.04
2004-1995 9.9 2-Cylinder L92LCC — 0.04
  9.9C 2-Cylinder 682 QL82C L82C 0.024
  9.9C 2-Cylinder 682 CDI QL82C L82C 0.038
2004-1995 Big Foot 4-Stroke Z9Y — 0.026
2004-1995 Sail Power 4-Stroke Z9Y — 0.026
8 HP
2004-1987 2-Cylinder L92LCC — 0.04
2004-1995 8 BoDensee Z9Y — 0.026
  8A 647, 8A 655, 8B 677 QL82C L82C 0.024
  8C 6G1 QL82C L82C 0.038
  K8 680 QL86C L86C 0.024
  Marathon 8 677, W8 677 QL82C L82C 0.024
6 HP
2004-1992 2-Stroke L92LCC — 0.04
2004-2000 4-Stroke RA8HC — 0.035
  6B 678 QL82C L82C 0.024
  6C 6H8, 6D 6H6 QL82C L82C 0.04
5 HP
2004-1990 2-Stroke RL82YC L82YC 0.04
2004-1999 4-Stroke RA8HC — 0.035
  5B 661, 5C 6E3 QL82C L82C 0.024
4 HP
2004-1990 2-Stroke QL82YC L82YC 0.04
2004-1999 4-Stroke RA8HC — 0.035
  4A 6E0 QL82C L82C 0.024
3.5 HP
  642 QL86C L86C 0.04
3.3 HP
2004-1993   QL87YC L78YC 0.04
3 HP
1992-1990   QL86C L86C 0.04
1999-1996 Marathon V6 QL77JC4 L77JC4 0.035
2.5 HP
2004-1989   QL87YC L78YC 0.04
2 HP
  2A 646, 2A 6A1 QL86C L86C 0.024

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