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Recommended Spark Plugs
| Model | Champion Plug | KLG Plug | NGK Plug |
|---|---|---|---|
| All 850cc and 750cc Models except 750 Combat & Atlas | N7YC | ---- | BP7ES |
| 750cc Combat | N6YC | ---- | BP8ES |
| 750cc Atlas | N4C | FE80 | B8E |
| 650cc Dominator, Mercury, Manx | N4C | FE80 | B8E |
| 600cc Models with 3/4" Reach | N74C | ---- | --- |
| 500cc Models with 3/4" Reach | N4C | FE80 | B8E |