Spark Plug: Specifications
| Spark Plug Type | NGK | BPR5EY-11 |
| NIPPONDENSO | W16EXR-U11 | |
| CHAMPION | RN11YC4 | |
| Spark Plug Type | NGK | BPR6EY-11 |
| NIPPONDENSO | W20EXR-U11 | |
| CHAMPION | RN9YC4 | |
| Spark Plug Air Gap | 0.039 - 0.043 Inch (in) | |
| Spark Plug Type | 11 - 19 Foot Pound-Force (ft.lb) |