Just a few points that might be helpful-
1. The nearside cap on the telelever i.e. the one behind the plastic cap, is cast metal. If its corroded itself in place, don't hit the spanner/socket wrench with a hammer as you will snap the end off the cap (don't ask me how I know!!!).....
2. The crankshaft bolt easily removed by wedging a suitably long socket bar up against the telelever then cranking the engine on the starter button...a Steptoe top tip if I remember correctly. You can usualy tighten to correct torque when reassembling by putting bike in gear and applying the rear brake.
3. Replace with new crankshaft oil seal in cover after replacing cover.
4. When tightening ball joint nut, no need for "special tool" (long socket with cut out). The following procedure (from an earlier post) will do the job......
"If you are talking about the collar nut i.e. the one the black plastic cap goes on, you don't need the special socket. Just use a decent length 21mm ring spanner, an allen key socket and ratchet and 21mm socket and torque wrench: 1) Hook ring spanner over nut. 2) cable tie ratchet (with allen key socket attached) to offside fork leg and insert allen socket into top of ball joint. 3) tighten nut till it gets pretty tight. 4) Unhook ratchet but leave tied to fork leg. 5) Set torque wrench to 120 nm and see if you have reached that. 6) if not, repeat steps 1-5 until 120nm reached. 7) increase torque setting to required setting- 130nm if memory serves me correctly. 8) repeat steps 1-6 until desired torque reached.
Ten minutes of a job. PS wrapping a rag round fork leg before cable tying ratchet helps stop it from slipping and protects fork leg.
Hope this helps