Announced at Valencia this weekend, the GP Commission has finally released the details on the upcoming Moto3 class, which will replace 125GP racing in 2012. Based around a four-stroke 250cc single-cylinder motor with an 81mm maximum bore size, Moto3 aims to reel in the spiraling costs of GP racing, with numerous provisions that are designed to limit how much money teams and manufacturers can sink into the sport to buy victory.

Perhaps the biggest provision designed to help lower the cost of GP racing’s intro class is the spec-ECU rule, which sees teams limited on the level of electronics they can implement, and institutes a hard-cap on the engine’s maximum RPM (14,000 RPM). With multiple manufacturers able to offer motors and chassis for the racing class, Moto3 should be more open thatn the single-motor Moto2 series. The GP Commission has included a laundry list of other provisions, you can find them bullet-pointed after the jump.