Most wiring diagram shows Honda color coding BUT that bike maybe a "hybrid" (the insurment is Suzi style)
Color doesn't mean ANYthing in used (PO may hacked it) / off brand (Maker may use whatever on hand) , trace w/ test lamp , multimeter for exact meaning.
http://www.dansmc.com/electricaltesting.htm
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Suzi
http://do.ejdz.cn:8087/%E6%91%A9%E6%...3%E5%9B%BE.gif
http://do.ejdz.cn:8087/%E6%91%A9%E6%...3%E5%9B%BE.gif
Yammie:
http://do.ejdz.cn:8087/%E6%91%A9%E6%...3%E5%9B%BE.gif
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Most chinese odo reads in km (times 5/8 is the approx mile reading).