There's a nice looking used one on ebay right now, it's the early type with the hard fiber clutch pads, rather than the later cork type pads. If you want to search the internet for nos parts here are the numbers you might need. Roller clutch (035.504), clutch shoe (209.040), or for complete clutches "1st" (209.035), "2nd" (209.043), bronze bushing (209.072), side cover gasket (209.084), protective plate (209.074).