The three types of Proto type bikes are
- Factory Bikes
- Satellite Bikes
- CRT Bikes
These bikes are made by a single manufacturer generally a motorbike manufacturer will manufacture the factory bikes.There are three factory bike manufacturers in 2012 Moto GP.The factory bike manufacturers are Honda,Yamaha and Ducati.Each company manufactures one model of Factory bike.The three factory bikes are
These bikes are another form of Factory bikes.These bikes are brought by teams who have their own sponsors.The satellite bikes will be supported by the factory bike manufacturers for spare parts and servicing.All in all the main difference between a Factory bike and a Satellite bikes is they use the same bike with different sponsor stickers.
This rule was introduced in 2012.According to this new rule the CRT teams can use a highly modified production based engine with a proto type chassis.