- Fits many early 90s dirt bikes and also Mikuni TM36 and TM38 carburetors
- The solution to engine bogging: the Boyesen Super Bowl
- Special curved interior turns fuel in on itself, preventing internal splashing/foaming
- Without excess foam, floats maintain their position, keeping optimum air-fuel mixture that provides steady power over jumps and through hoops
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1990-1993 | Suzuki | RM125 | |
| 1990-1992 | Suzuki | RM250 | |
| 1989-1992 | Suzuki | RMX250 | |
| 1991-1994 | Yamaha | WR250 | |
| 1991 | Yamaha | WR250R | |
| 1994 | Yamaha | WR250Z | |
| 1990-1994 | Yamaha | YZ125 | |
| 1990-1994 | Yamaha | YZ250 | |