Standard Components

| Firing order for Series 2 models: | A1, B1, A4, B4, B2, A3, B3, A2 |
| Contact breaker gap: | 0.019" to 0.021" |
| Spark plug gap: | 0.024" to 0.027" |
| Ignition timing: | 2 degrees BTDC |

| Firing order for Series 2 models: | A1, B1, A4, B4, B2, A3, B3, A2 |
| Contact breaker gap: | 0.019" to 0.021" |
| Spark plug gap: | 0.024" to 0.027" |
| Ignition timing: | 2 degrees BTDC |