Yamaha Motor USA - Yamaha of Yesterday 1973 CT3 175. Yamaha's 175cc dual-sport motorcycle debuted in 1969 with the CT1 and had an 11-year production run over the course of 12 years,
1973 Yamaha CT3 175 Enduro first start up in 30 years. - YouTube
Yamaha Motor USA - Yamaha of Yesterday. 1969 CT1 175 Enduro. They were called “Enduro” motorcycles back in their day, but we know them more as "Dual Sport" or "Dual-Purpose” motorcycles today.
No Reserve: 1975 Yamaha DT175 Enduro for sale on BaT Auctions - sold for $6,145 on June 17, 2022 (Lot #76,384) | Bring a Trailer
My 70s Yamaha 175 : r/Dirtbikes
The Yamaha 175 at MotorBikeSpecs.net, the Motorcycle Specification Database
Vintage Veloce™: 1973 Yamaha 175 CT3 Enduro - The next project!