请问铃木 K4, 灯泡是用什么型号?上下2组是怎么工作的?

西风

<a href="https://w1.bikepics.com/pics/2005/02/18/bikepics-293967-full.jpg" target="_blank"><img height="600" src="https://w1.bikepics.com/pics/2005/02/18/bikepics-293967-800.jpg" width="800" border="0" style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid;" alt=""/></a><a href="https://w1.bikepics.com/pics/2005/02/18/bikepics-293966-full.jpg" target="_blank"><img height="1066" src="https://w1.bikepics.com/pics/2005/02/18/bikepics-293966-800.jpg" width="800" border="0" style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid;" alt=""/></a>

西风

K3和K4大灯有什么分别?[em06]

西风

<div class="msgheader">QUOTE:</div><div class="msgborder"><b>以下是引用<i>ken.tang</i>在2007-4-19 14:14:00的发言：</b>
西风，这好像是K3哦[em08]</div>请教用什么型号的灯泡`````````````[em06]

ken.tang

西风，这好像是K3哦[em08]