After winning the 125cc championship , Read decided to disobey team orders and fight Ivy for the 250cc title .
The Yamaha factory had wanted Read to concentrate on winning the 125cc title and teammate Bill Ivy to take the 250cc crown .
After winning the 125cc championship , Read decided to disobey team orders and fight teammate for the 250cc title .
The Yamaha factory had wanted Read to concentrate on winning the 125cc title and teammate Bill Ivy to take the 250cc crown .