| Battery | Standard specific gravity: | 1.25 to 1.29 at 20°C (68°F) |
| Charging circuit without load | Standard current | 10 A or less |
| Standard voltage | 12.2 to 15.3 V | |
| Charging circuit with load | Standard current | 30 A or more |
| Generator brush holder assembly brush exposed length | Standard exposed length | 9.5 to 11.5 mm (0.374 to 0.453 in.) |
| Minimum exposed length | 4.5mm (0.177 in.) | |
| Generator regulator assembly resistance | F-B | When the positive and negative poles between terminals F and B are exchanged, there is a resistance of below 1Ω in one direction but 10 kΩ or higher in the other direction. |
| E-F | When the positive and negative poles between terminals E and F are exchanged, there is a resistance of below 1Ω in one direction but 10 kΩ or higher in the other direction. | |
| Generator drive end frame resistance | Coil wires | Below 1Ω |
| Coil wire and body | 10 kΩ or higher | |
| Generator holder with rectifier resistance | P1, P2, P3 -B | Resistance of below 1 Ω in one direction but 10 kΩ or higher in the other direction. |
| P1, P2, P3 -E | Resistance of below 1 Ω in one direction but 10 kΩ or higher in the other direction. | |
| Generator rotor assembly resistance | Slip rings | 1.7 to 2.1 Ω at 20°C (68°F) |
| Slip ring and rotor | 10 MΩ or higher | |
| Generator rotor assembly slip ring diameter | Standard diameter | 14.2 to 14.4 mm (0.559 to 0.567 in.) |
| Minimum diameter | 12.8 mm (0.504 in.) |