- Take the handle bar grip off by loosen it with an allen key and pull the handle bar grip off. 

- Then slide the throttle on. Make sure you can push the thumb button up (push-style). 

- Slide the handle bar grip back on again. 

- Check the cable connections under the cover. There is one cable not connected (red). Plug it and make sure those pins are lined up. 

- Put the cover back over the cables. 

- Tilt your bike slightly and check if your throttle works. 



https://www.youtube.com/watch?v=n9n0GVI8AXM