Edit in JSFiddle

var myTween1 = new TweenMax.to('.box1', 2, {
	width:70,
  height:70,
  repeat:-1,
  yoyo:true,
  ease: Bounce.easeOut, x: 30,
  paused:true
}),
myTween2 = new TweenMax.to('.box2', 2, {
	width:70,
  height:70,
  repeat:-1,
  yoyo:true,
  ease: Bounce.easeOut, x: 30,
  yoyoEase:true,
  paused:true
});

$('.btn1').on('click',function(){
	myTween1.resume();
})

$('.btn2').on('click',function(){
	myTween2.resume();
})

$(".btn_kill1").on('click',function(){
	myTween1.kill();
})
$(".btn_kill2").on('click',function(){
	myTween2.kill();
})

<button type="button" class="btn1">Not yoyoEase</button>
<button type="button" class="btn_kill1">Stop!!</button>
<br><br>
<div class="box box1"></div>
<hr>
<button type="button" class="btn2">OK yoyoEase</button>
<button type="button" class="btn_kill2">Stop!!</button>
<br><br>
<div class="box box2"></div>

.box{width:50px;height:50px;background-color:#000}