The condensor should be replaced when servicing the electrical system or when excessive contact wear is apparent.
If you are experiencing electrical problems and everything else checks out OK maybe the condensor is at fault.
Suits ATC70 73-85
Also suits Z50A 68-78, Z50R 79-87, CT70 69-82, CT70H 70-73, SL70 71-72, XL70 74-76, XL75 77-79, XR75 73-76, XL80S 80-85.
