Ah. If you want to read up on DIY options the endless-sphere forum has a ton of motorcycle and scooter conversion enthusiasts.
Endless-sphere.com • Index page
Currently there's nothing on two wheels commercially available that can sustain the speeds you need to. So a build around an Agni 95 Reinforced motor would be your only option at present if you want to go electric.
I get by on a tiny budget because I don't have to go very far and it's all on neighborhood roads.