Normally wang cranks are gold colored http://www.ebay.com/itm/New-Yamaha-Banshee-350-RZ350-crank-crankshaft-4mm-stroker-115mm-long-rod-4-mil-/400306782781?pt=Motors_ATV_Parts_Accessories&hash=item5d3424c23d&vxp=mtr
Probably either a hotrods or vitos crank