Brakes have not "burnished in" yet takes approx. 200 miles? Air introduced into system?
there are two wing nuts on the front hubs inside the wheel tighten them and it will tighten your brakes
Anti -rattle clips not installed or not installed properly
You have disc brakes front and rear. Disc brakes are self adjusting. If the brakes are poor, you have a problem and it needs attention.
Pads loose in caliper? Anti-rattle clips not installed or installed incorrectly?
There are no bearings in brakes, but the hub has large ball bearings
Either you have one of the bulbs burnt out or the wrong size bulb installed.
did u bleed the brakes as u tighten up the( pin ) bolt .
the brakes were not fixed properly some part is installed wrong
If the rear brakes are out of adjustment,the hand brake will not work..
You start by adjusting the rear brakes after you have inspected them.
Impossible to answer from such a short description, but probably you need to tighten the cables one way or another. Try the related links.
remove the boot, and tighten the adjuster nut. just don't over tighten it. your brakes will drag an overheat the drum :P