Complex sentence: Members must meet certain standards of abstinence from drugs and alcohol in order to gain and retain membership status, and must own and maintain a motorcycle of 500 CC's or greater and member's are encouraged to be part of a 12 step organization.
Split into simpler sentences: Members must meet certain standards of abstinence from drugs and alcohol in order to gain and retain membership status, and must own and maintain a motorcycle of 500 CC's or greater. Member's are encouraged to be part of a 12 step organization.