User blog comment:Hua Xiong/Driving Vehicles!/@comment-4675595-20120531233022/@comment-3145713-20120602033307

Hehe, yeah, sometimes I'd have to wait minutes before Jimmy gets on the bike.

The problem isn't so much a limitation of the mod. It's because car scripts and the bike script are different, and most work was done on the car script. So yeah.