As the original online source may eventually disappear, here are the known facts according to Valery:
• Built by father of Valery Kramskoy, Nevinnomyssk, Russia between 1965 and 1971
• Road registered in 1971
• Steel body (0.8 - 1.0 mm thick)
• 750 cc OHV engine from Dnepr KMZ K750 motorcycle
• Manual transmission from ZAZ-965 Zaporozhets
• Rear-wheel drive
• Front and rear axles constructed from scratch
• Both front and rear windows are MZMA Moskvitch-408 rear windows
• Side windows cut from glass sheet
• Headlights from Vyatka motor scooter
• Rear lights from unknown motorcycle
• 10” x 5” wheels said to be sourced from a wheelchair (“инвалидной коляски”), but this does not appear to be the case; hence, there must be a translation issue