i have a 1988 fxstc and the primary leaks at the top to the back above the clutch on the primary, what i wanted to know is why it may be leaking could they be a bad seal or maybe the inner primary, i know it needs a gasket on the outer primary. it been over 26 years sence i work and rode and then sold my pan head, so can anyone till me what i may have to deal with. ,,,thanks,,, my dixie wreck