Source google image: http://www.gvabrand.com/images/stories/virtuemart/product/Valve_Stem_Seal_-_Hisun_400-500cc_ATV-UTV_1.jpg
Schema electrique quad hsun 400
Source google image: http://www.gvabrand.com/images/stories/virtuemart/product/Valve_Stem_Seal_-_Hisun_400-500cc_ATV-UTV_1.jpg