Complex sentence: The Ninja 400R is a Kawasaki sport bike announced for the 2011 model year, to be sold in Canada, New Zealand and the UK as a smaller cousin to the Ninja 650R, to which it is closely related.
Split into simpler sentences: The Ninja 400R is a Kawasaki sport bike announced for the 2011 model year, to be sold in Canada and New Zealand. The Kawsaki Ninja 400R is a smaller cousin to the Ninja 650R, to which it is closely related.