Replacing the current 2-stroke, 125 cc used in the GP125 class, Honda developed the new NSF250R as a machine for entry riders to participate in the battle, seizing the opportunity provided by the opening of the 4-stroke, 250cc Moto3 category, which begins in 2012. The Japanese brand didn’t release official specifications but under Moto3 regulations, the NSF250R is limited to a 250cc single-cylinder engine with a bore of up to 81mm and a maximum rev limit of 14000rpm.
According to the press release, the bike inherits elements from the RS125R Grand Prix race bike.
via Honda Racing