Complex sentence: In 1904 they took over the Belgian firm Kelekom Motors and began experimenting with motorized bicycles, and created their first motorcycle, the 2 horsepower Veloce, in 1905.
Split into simpler sentences: In 1904 they took over the Belgian firm Kelekom Motors and began experimenting with motorized bicycles. They created their first motorcycle, the 2 horsepower Veloce, in 1905.