debtdogg,
You have three bolts 12mm holding on the starter. If you unscrew them then the starter housing will come off.
Once you have it off you will see the two pawls and underneath them is a wire which activates them which I think could be your problem. You most probably need to replace that wire in order for it to work.
Also when putting back the starter to the crankcase I would suggest replacing the 'O' ring as they usually streach.
You can find more detailed information in the parts list and manuals area.
Hope that this is of some help.