Welcome to the new Wizard Outboard Forum.
Probably a KD3 handle is going to be your best shot and may be an exact match. http://www.ebay.com/itm/1947-48-WIZARD-3-2HP-WD3S-TILLER-STEERING-HANDLE-MERCURY-WESTERN-AUTO-BOAT-KD3-/370998067004?pt=Boat_Parts_Accessories_Gear&hash=item5661353f3c&vxp=mtr
Thanks a MILLION Bryan vince
There are minor variations but most all parts in assembly are same part number from K1 thru KE3. Attaching handle assembly can be interesting as order of assembly matters. Louis