The Yamaha YZ80 was a two-stroke motorcross dirtbike made by Yamaha starting in 1974.
1977 YZ80D
1978 YZ80E
- First year of the rear monoshock 80 was 1978- YZ80E, code 2J5.
The Yamaha YZ80 was a two-stroke motorcross dirtbike made by Yamaha starting in 1974.