It is illegal to operate a motorcycle with a minimum blood alcohol content (BAC) of:

In California, it is illegal for a person age 21 or older to operate a motorcycle with a blood alcohol content (BAC) of 0.08 percent or higher. For a person under the age of 21, it is illegal to operate a motorcycle with a BAC of 0.01 percent or higher. It may be unsafe to operate a motorcycle even if you are under the legal limit.

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