OFNA Racing Ultra MBX Pro - Manual (Page 28)

ALIGN THROTTLE SERVO AND BRAKE SAME AS SHOWN
Brake is not on
Engine at idle
( Neutral Position )
Brake is on
Brake Adjust Nut
( Braking Position )
Brake is not on
Engine at full throttle
( Full Throttle Position ) Less Brake
More Brake
Tighten Loose
* Tighten or loose the adjuster nut
will change the brake.