Gap
| Spark Plug Type | Spark plug gap |
| NGK BPR5ES-11 | .039 - .043 Inch (in) |
| NIPPON DENSO W20EPR-11 | .039 - .043 Inch (in) |
| CHAMPION RN9YC4 | .039 - .043 Inch (in) |
| Spark Plug Type | Spark plug gap |
| NGK BPR5ES-11 | .039 - .043 Inch (in) |
| NIPPON DENSO W20EPR-11 | .039 - .043 Inch (in) |
| CHAMPION RN9YC4 | .039 - .043 Inch (in) |