In Dead Rising 2: Off The Record for the PS3, Xbox 360, and PC, you can combine a several weapons with the dirt bike to make some fairly powerful vehicle weapons.
Check out my other guide if you’re looking for the full list of combo weapons you can make in Dead Rising 2: Off The Record.
Giant Stuffed Rabbit Motorcycle – Dirt Bike + Giant Stuffed Rabbit
Machine Gun Motorcycle – Dirt Bike + Light Machine Gun
Rocket Launcher Motorcycle – Dirt Bike+ Rocket Launcher
Slice-Cycle – Dirt Bike + Chainsaw
Wheelchair Motorcycle – Dirt Bike + Wheelchair