Hello. I have been reading everything I can find on a 1650 before I start working on mine. I finally found out why this 1650 has 2 levers as it came with the option of hydraulic connections in the front. Having said that the enter lever is broken off where it connects to the other lever. A nut is still there but I can see where the shaft sheared off. My thought is that there is a lock nut to keep the shaft from backing out. I say that to say this: What is the best way to remove the shaft and or nut? It is very tight, probably semi rusted, and I wanted to know if any one knows what the metal is that the shaft screws into. Is it aluminum or some pewter type material? I want to make sure I do not snap it off as well. Have put some WD40 on it to help loosen it. Any suggestions? Thanks.