These are called passenger ground rules:
On a small bike (like sportster) get on the bike yourself, straighten the bike, hold the front brake with your feet down, make sure the passenger pegs are open, let the passenger get on
On a larger bike (road king etc) let the passenger get on. Hold the front brake, and get on the bike after the passenger and straighten the bike
Tell the passenger:
- Do not lean, sit straight, through the turns as well. Passenger sits straight!
- Always hold on to you, or the seat, or the sissy bar. "hold on" is the key!
- Never put your feet on the ground, always keep your feet on the pegs. Even when the bike is stopping and you the rider has feet on the ground. Passenger keeps his/her feet on the pegs!
- Passenger gets off first. Stop the bike, hold the front brake, let the passenger get off.
- Let the passenger off first, then park the bike.
- Because of weight distribution change, the bike will behave differently. Get some practice, give yourself more room for errors (leave more braking distance, don't lean that much, don't go too fast) until you understand the new bike. The bike will change personality 100%. Make sure you familiarize yourself before taking chances.
- Braking will be different. Leaning will be different. Acceleration will be different. Safety is involved here. Somebody else's life is in your hands. Think and be extra careful.
Once you get the hang of it, riding with a passenger is no different than riding by yourself. It's just different. You'll get the hang of it.
Oh, also, intercom is great fun. Bluetooth especially (always open two way channel chatter) Get one

)
Be safe
Cheerios