Note: On some models, the throttle handle is attached at the factory.
1. Remove the nut and screw at the bottom of the throttle handle.
2. Put the throttle handle onto the right side of the handlebar.
3. Align the screw hole in the throttle handle with the hole in the handlebar
4. Put the screw into the hole at the bottom of the throttle handle, through the handlebar.
5. Put back and tighten the nut.