How do you open a street bike gas tank without a key?

To open a street bike gas tank without a key, you can try using a flathead screwdriver to gently pry open the gas cap, although this can damage the cap. Alternatively, you could use a lock-picking technique if you're skilled, or remove the entire gas cap assembly by unscrewing it from underneath if accessible. If these methods fail, it’s best to consult a professional locksmith or the motorcycle dealer for assistance.