Hope this helps a little....
California Department Of Motor Vehicles.---------{http://www.dmv.ca.gov/pubs/vctop/d01/vc406.htm}---------
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http://www.dmv.ca.gov/pubs/vctop/d12/vc24016.htm-------
Motorized Bicycle
V.C. Section 406 . (a) A "motorized bicycle" or "moped" is any two-wheeled or three-wheeled device having fully operative pedals for propulsion by human power, or having no pedals if powered solely by electrical energy, and an automatic transmission and a motor which produces less than 2 gross brake horsepower and is capable of propelling the device at a maximum speed of not more than 30 miles per hour on level ground.
(b) A "motorized bicycle" is also a device that has fully operative pedals for propulsion by human power and has an electric motor that meets all of the following requirements:
(1) Has a power output of not more than 1,000 watts.
(2) Is incapable of propelling the device at a speed of more than 20 miles per hour on ground level.
(3) Is incapable of further increasing the speed of the device when human power is used to propel the motorized bicycle faster than 20 miles per hour.
(4) Every manufacturer of motorized bicycles, as defined in this subdivision, shall provide a disclosure to buyers that advises buyers that their existing insurance policies may not provide coverage for these bicycles and that they should contact their insurance company or insurance agent to determine if coverage is provided.
The disclosure required under paragraph (4) of subdivision (b) shall meet both of the following requirements:
(1) The disclosure shall be printed in not less than 14-point boldface type on a single sheet of paper that contains no information other than the disclosure.
(2) The disclosure shall include the following language in capital letters:
"YOUR INSURANCE POLICIES MAY NOT PROVIDE COVERAGE FOR ACCIDENTS INVOLVING THE USE OF THIS BICYCLE. TO DETERMINE IF COVERAGE IS PROVIDED YOU SHOULD CONTACT YOUR INSURANCE COMPANY OR AGENT."
V.C. Section 24016. (a) A motorized bicycle described in subdivision (b) of Section 406 shall meet the following criteria:
(1) Comply with the equipment and manufacturing requirements for bicycles adopted by the Consumer Product Safety Commission (16 C.F.R. 1512.1, et seq.) or the requirements adopted by the National Highway Traffic Safety Administration (49 C.F.R. 571.1, et seq.) in accordance with the National Traffic and Motor Vehicle Safety Act of 1966 (15 U.S.C. Sec. 1381, et seq.) for motor driven cycles.
(2) Operate in a manner so that the electric motor is disengaged or ceases to function when the brakes are applied, or operate in a manner such that the motor is engaged through a switch or mechanism that, when released, will cause the electric motor to disengage or cease to function.
(b) All of the following apply to a motorized bicycle described in subdivision (b) of Section 406:
(1) No person shall operate a motorized bicycle unless the person is wearing a properly fitted and fastened bicycle helmet that meets the standards described in Section 21212.
(2) A person operating a motorized bicycle is subject to Sections 21200 and 21200.5.
(3) A person operating a motorized bicycle is not subject to the provisions of this code relating to financial responsibility, driver's licenses, registration, and license plate requirements, and a motorized bicycle is not a motor vehicle.
(4) A motorized bicycle shall only be operated by a person 16 years of age or older.
(5) Every manufacturer of a motorized bicycle shall certify that it complies with the equipment and manufacturing requirements for bicycles adopted by the Consumer Product Safety Commission (16 C.F.R. 1512.1, et seq.).
-----------------------------this is copied from the dmv motorcycle handbook---------------------------------------
motorizeD Bicycles
There are two definitions of motorized bicycle (moped). A motorized bicycle is:
•
A two- or three-wheeled device, capable of no more than 30 mph on level ground, and equipped with:
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fully operative pedals for human propulsion.
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a motor producing less than two gross brake horsepower and an automatic transmission.
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an electric motor, with or without pedals for human propulsion. (VC §406[a])
•
Avehicle with pedals and an electric motor (not more than 1,000 watts) which cannot be driven at speeds of more than 20 mph on level ground even if assisted by human power. (VC §406
)
If you operate a motorized bicycle
which meets the definition of VC §406, you:
•
Must be 16 years of age or older.
•
Must wear a properly fitted and fastened bicycle helmet.
•
Are exempt from the motor vehicle financial responsibility, driver license, and moped plate requirements (VC §12804.9).
You may ride a moped in a bicycle lane at a reasonable speed. Be careful of bicyclists using the lane.