I’m wondering what this is?

I’ve been told it’s a 200 Tri moto from 1985 but idk because I know the headlights custom but everything else I feel like isn’t adding up, also the engine is a different one

I’ve been told it’s a 200 Tri moto from 1985 but idk because I know the headlights custom but everything else I feel like isn’t adding up, also the engine is a different one