On my Polaris there were 2 long bolts that run the length of the starter. Take them out and pull it apart. You may have to tap LIGHTLY on the ends to get them started. Once it starts to come apart watch for the brushes and springs, have a clean work area and pay attention as you take the armature (copper wire covered long drive shaft thingey)out of the motor housing. On my starter the output shaft bearing was rusted solid to the shaft and would not budge. I had burned up the armature already and had to put on a new starter ($90.00 aftermarket at local automotive starter repair company) so I used a hammer and punch to beat it apart. Most of these small starters are throw aways so if you can get it apart clean it up so it will work, thats great however finding parts could be difficult.
Good luck
Bob
