Vegeta only loses in the end because of Goku's teamwork with Gohan, Krillin, and Yajirobe, and due to Goku's strategic use of the Kaio-Ken. While the Kaio-Ken becomes irrelevant for Goku by the ...
Even when Goku pulls out the Kaioken to surpass him, he falls victim to the body switching technique. Once Ginyu has Goku's ...