Complex sentence: A total of 1108 Thruxtons were built, but, although it had more power than the Venom, the Thruxton couldn't save Velocette, and the company was wound up in 1968, with remaining stock sold until mid- 1970.
Split into simpler sentences: A total of 1108 Thruxtons were built, but although it had more power than the Venom the Thruxton could not save Velocette. The company was wound up in 1968, and remaining stock sold until mid- 1970.