DH loves his bike. There is no age requirement by law to take a pillion rider on the back. No matter how big or powerful the bike. As long as the pillion can touch the footpegs (a 4 year old could on most) and wear a fitting helmet, they can ride!
DH thinks its OK once dd (now 3) is about 6 to ride on the back "just a short way, taking it very steady".
I am livid. Is he F'ing brain-dead or what?!?!