When you receive your bike, you will find the stem as pictured below.
Remove the lever by unscrewing the holding bolt and attached hardware. Then remove the stem cap.
This is how things will now look
This is the hardware you will have now after removing the holding bolt, attached hardware and stem cap
Put the handle bar on the stem and place the cap over
Put the holding bolt through the hole as shown below
Put the washer on the holding bolt as shown below
Now put the lock nut inside of the lever. Put in place and tighten up the screw, then lock the lever down. Thread in the screw just enough so you can lock the lever.
The handlebars on your new Kutty are now assembled!