Description
Features
- Greater low-pressure (Low-throttle) response
- Greater velocity
- Faster opening and closing
- Greater flow area
- Minor change gives major H.P. improvements
- Longer overall life
- Dual stage reeds
- No engine damage if broken
| 1986 | Yamaha | YTZ250 Tri-Z |
| 1985 | Yamaha | YTZ250 Tri-Z |
| 1992 | Yamaha | YZ125 |
| 1991 | Yamaha | YZ125 |
| 1990 | Yamaha | YZ125 |
| 1989 | Yamaha | YZ125 |
| 1988 | Yamaha | YZ125 |
