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Tohatsu spark plug

Champion Spark Plugs for Tohatsu 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
140 HP
  M140A, M140A2 1768CC L4 2-Stroke QL78C L78C 0.04
120 HP
  M140A, M140A2 1768CC L4 2-Stroke QL78C L78C 0.04
115 HP
  M115A, M115A2, M115AEPTO 107.89 CID L4 2-Stroke QL78C L78C 0.04
90 HP
  M90A 3-Cylinder QL78C L78C 0.04
70 HP
  M70A 57.2 CID L3 2-Stroke QL78C L78C 0.04
  M70A2 57.2 CID L2 2-Stroke QL78C L78C 0.04
  M70B 57.2 CID L3 2-Stroke QL78C L78C 0.04
2007-2003 M70C L3 2-Stroke QL78C L78C 0.04
60 HP
  M60A 57.2 CID L2 2-Stroke QL78C L78C 0.04
  M60B 57.2 CID L3 2-Stroke QL78C L78C 0.04
2007-2003 M60C L3 2-Stroke QL78C L78C 0.04
55 HP
  M55A 3-Cylinder QL78C L78C 0.04
2006-2004 M55B L2 2-Stroke QL78C L78C 0.04
50 HP
  M50C 749CC L2 2-Stroke QL78C L78C 0.04
  M50D L3 2-Stroke QL78C L78C 0.04
  M50D2 L3 2-Stroke QL78C L78C 0.04
  M55B 57.2 CID L3 2-Stroke QL78C L78C 0.04
40 HP
  M40A QL86C L86C 0.04
  M40D, M40D2 3-Cylinder QL82C L82C 0.04
35 HP
  M35A QL82YC L82YC 0.04
30 HP
  M30A, M30A3, M30A4 2-Cylinder QL82C L82C 0.04
25 HP
  M25C, M25C2, M25C3, M25C4 2-Cylinder 2-Stroke RL82C L82C 0.04
  M25D L3 2-Stroke RL82C L82C 0.04
  M40C 2-Cylinder QL87YC L78YC 0.04
20 HP
  B30C QL86C L86C 0.04
  M20 QL82C L82C 0.03
18 HP
2007-2004 18E, 18EF, 18EP 17.9 CID L2 2-Stroke QL82C L82C 0.039
  M18D, M18A, M18C2 2-Cylinder QL82C L82C 0.03
  M18E2 QL82YC L82YC 0.03
16 HP
  M16 QL82C L82C 0.03
15 HP
2007-2004 15D, 15D EF, 15D EP 15.1 CID L2 2-Stroke QL82C L82C 0.039
  M15C, M15A, M15B2 2-Cylinder QL82C L82C 0.03
  M15D2 QL82YC L82YC 0.03
2003-2000 MFS15A 2-Cylinder OHV RA8HC — 0.025
13 HP
  M13 2-Cylinder QL82C L82C 0.03
12 HP
  B18C QL82C L82C 0.03
  M12B QL82C L82C 0.03
9.9 HP
2007-2003 9.9D, 9.9D EF, 9.9D EP 15.1 CID L2 2-Stroke QL82C L82C 0.039
  M9.9C, M9.9B2 2-Cylinder QL82C L82C 0.03
2003-2000 MFS9.9A 2-Cylinder OHV RA8HC — 0.025
9.8 HP
  B18D QL86C L86C 0.03
  M9.8B, 9.8BEF, 9.8BEP L2 2-Stroke QL82YC L82YC 0.04
8 HP
  B13B QL86C L86C 0.03
  M8A 2-Cylinder RL95YC — 0.03
  M8B, 8BEF, 8BEP 169CC L2 2-Stroke QL82YC L82YC 0.04
5 HP
  B9B QL86C L86C 0.03
  M5B, M5BS RL82YC L82YC 0.039
2003-1999 M5C 1-Cylinder OHV RA8HC — 0.025
2003-1999 MFS5A 1-Cylinder OHV RA8HC — 0.025
4 HP
2003-2002 MFS4A 1-Cylinder OHV RA8HC — 0.025
3.5 HP
  M3.5A, M3.5B QL87YC L78YC 0.03
  M3.5A2, M3.5B2 74.6CC 1-Cylinder 2-Stroke RL87YC L78YC 0.04
2.5 HP
2003-1980 M2.5A QL87YC L78YC 0.03
  M2.5A2 74.6CC 1-Cylinder 2-Stroke RL87YC L78YC 0.04

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