From chapter 1 of the California Motorcycle Handbook

California Motorcycle Laws Practice Test

License classes, permits, training and the skills test.

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May you ride a moped on a hiking trail away from any road in California?

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Motorized Bicycles or Moped
A California moped (motorized bicycle) is a two- or three-wheeled device that can go no more than 30 mph on level ground, with working pedals (or none if all-electric), a motor under 4 gross brake horsepower and an automatic transmission. p. 2
Motorized Scooter
A California motorized scooter is a two-wheeled device with a motor, handlebars and a floorboard for standing (a seat is optional if it doesn't stop you standing). p. 3
Requirements for a Motorcycle M1 or M2 License
A California M1/M2 instruction permit bars carrying passengers, riding on freeways and riding at night. p. 5
California Motorcyclist Safety Program Training Course
Applicants under 21 must complete a California Motorcyclist Safety Program (CMSP) course before getting a motorcycle permit. p. 6
Cheating
Testing aids are banned during California knowledge tests, including the handbooks, cheat sheets and phones or other devices; using one fails the test, and DMV may also act against the license of the cheater or anyone helping. p. 6

Practice material, not the official test: check every answer in your state's current handbook. Disclaimer