Marine Power
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Champion Spark Plugs for Marine Power Inboard MotorsChampion spark plugs are original equipment on many inboard and outboard 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 |
|---|---|---|---|---|
| 700 HP | ||||
| 2000 | RV15YC4 | — | 0.035 | |
| 550 HP | ||||
| 1997-1992 | 540 V8 | RV12YC | — | 0.035 |
| 475 HP | ||||
| 2000-1992 | 502 V8 | RV15YC4 | — | 0.035 |
| 440 HP | ||||
| 2002-1992 | 454 V8 | RV15YC4 | — | 0.035 |
| 410 HP | ||||
| 2002-1992 | 502 V8 | RV15YC4 | — | 0.035 |
| 390 HP | ||||
| 2002-1992 | 454 V8 | RV15YC4 | — | 0.035 |
| 340 HP | ||||
| 2002-1992 | 454 V8 | RV15YC4 | — | 0.035 |
| 2002-1998 | Vortec MPI 7.4L V8 | RV15YC4 | — | 0.035 |
| 330 HP | ||||
| 1991-1975 | 454 V8 | RV15YC4 | — | 0.035 |
| 1991-1975 | B V8 | RV15YC4 | — | 0.035 |
| 1991-1975 | BM V8 | RV15YC4 | — | 0.035 |
| 325 HP | ||||
| 2002-1992 | 350 V8 | RV15YC4 | — | 0.035 |
| 2002-1998 | Vortec 5.7L V8 | RS12YC | — | 0.035 |
| 2002-1998 | Vortec MPI 7.4L V8 | RV15YC4 | — | 0.035 |
| 300 HP | ||||
| 2002-1992 | 350 V8 | RV15YC4 | — | 0.035 |
| 264 HP | ||||
| 1997-1996 | 350 Premium V8 | RS12YC | — | 0.035 |
| 260 HP | ||||
| 2002-1992 | 350 V8 | RV15YC4 | — | 0.035 |
| 225 HP | ||||
| 2000-1992 | 262 | RV15YC4 | — | 0.035 |
| 2002-1998 | Vortec 4.3L V6 | RS12YC | — | 0.035 |
| 200 HP | ||||
| 2000-1992 | 262 | RV15YC4 | — | 0.035 |
| 1978-1975 | 181 Gasket Seat | RN5C | N5C | 0.035 |
| 1991-1975 | 181 Tapered Seat .460" Reach | RV15YC4 | — | 0.035 |
| 2002-1992 | 181 Tapered Seat .708" Reach | RS12YC | — | 0.035 |
| 2002-1999 | 502 500X V8 | RV15YC4 | — | 0.035 |