Complex sentence: He is seen as good with the machinery and repairs, as he is easily able to fix the bicycle of Timothy and he also helps the Franks fix the taketombo of Yoko after they accidentally break it.
Split into simpler sentences: He is seen as good with the machinery and repairs, as he is easily able to fix Timothy's bicycle. He also helps the Franks fix Yoko's taketombo after they accidentally break it.