Disambiguation evidence for Yamaha YA-1 via surface form

"Yamaha YA-1"

Triples (1)

Triples where some other subject referred to this entity as "Yamaha YA-1".

DKW RT 125 (military versions) → influenced →
"Yamaha YA-1"
↳ resolves to Yamaha YA-1
ⓘ