HRS §291C-206
Moped motor modifications and rental rules
This law says you cannot change a moped's motor unless the manufacturer allows it, and the change cannot make the motor more powerful than 2 horsepower. You also cannot rent or lease a moped with an illegal motor change. Breaking this rule can cost you up to $500.
The statute, as written — Modifying moped motor; violation
(a) A motor used to power a moped shall not be modified in any manner except as authorized by the motor manufacturer and any modification shall not increase the power capacity of the motor above two horsepower (one thousand four hundred ninety-two watts). (b) No person shall rent or lease to another person any moped or motor scooter that has an aftermarket modification to the motor of the moped or motor scooter that does not comply with this subsection. (c) Any person who violates this section shall be fined not more than $500.
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