Sometime around 1990, a version of the classic Royal Enfield Bullet came with an small Italian industrial diesel engine good for only 6.5 horsepower. The resulting bike, which was called the ...

the new Moto2 bikes will be mixed into the field for next season before the new formula replaces the old one in 2011. The new Honda engines, however, will be 600cc, four-stroke units with over 150 ...