You need to add a review for this movie, its friggin crazy
http://freespace.virgin.net/martin.underwood/boon/vampire.htm
I Bought a Vampire Motorcycle (1990)
When a motorbike gang kills an occultist, the evil spirit he was summoning inhabits a damaged bike. The bike is then bought and restored, but reveals its true nature when it tries to exact vengance on the gang, and anyone else who gets in its way.