A motorcycle battery typically operates at around 12 volts, so a reading of 12.2 volts does not necessarily indicate a bad battery. The voltage of a battery can fluctuate depending on its charge level and the conditions under which it is being tested.
2 volts or lower, especially after being fully charged, it could be a sign of a weak or failing battery. A healthy battery should ideally have a voltage reading of around 12.6 to 12.8 volts when fully charged and at rest.
To accurately assess the condition of your motorcycle battery, it is recommended to conduct a load test using specialized equipment. This test measures the battery's ability to deliver power under a simulated load and provides a more comprehensive evaluation of its health.
If you suspect your battery is faulty, it's a good idea to have it inspected by a professional or replace it if necessary to avoid potential starting or electrical issues while riding.