Complex sentence: In 1999, superseding the Zephyr series, Kawasaki introduced the W650l, resembling British motorcycles of the early 1960s including the Triumph Bonneville.
Split into simpler sentences: In 1999, superseding the Zephyr series, Kawasaki introduced the W650. The Kawasaki W650 resembles British motorcycles of the early 1960s including the Triumph Bonneville.