Welcome to these forums, and thank you for posting the good photos!
If you search the Dual Sport Forum, you will find several threads on H4 headlight conversions.
I performed an H4 headlight conversion, but my bike's headlight is different from yours. However, if you read the following thread, you might find a link to the information you seek.
http://chinariders.net/modules.php?n...ewtopic&t=8773
Spud
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Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894