Will $200 Temu Engine Fix My Yamaha Dirt Bike?

I bought a Yamaha TTR125 to give my wife. It had a broken engine so we ordered a replacement 125cc engine from Temu to swap in. Find a similar engine here: https://amzn.to/4fuCK78 Watch part 2 now Surprising my wife with Temu dirt bike:    • Surprising my Wife with Temu Dirt Bike