| Battery | Standard gravity: 1.25 to 1.29 at 20°C (68°F) |
| Charging circuit without load | Standard current: 10 A or less Standard voltage: 13.2 to 14.8 V for Single battery type 12.1 to 15.4 V for Two battery type |
| Charging circuit with load | Standard current: 30 A or more |
| Brush length | Standard length: 10.5 mm (0.413 in.) Minimum length: 4.5 mm (0.177 in.) |
| Generator rotor assembly | Standard diameter: 14.2 to 14.4 mm (0.559 to 0.567 in.) Minimum diameter: 14.0 mm (0.551 in.) |