My painter has said and others have agreed, the CF surface has to be as clean as you can get it to minimize the pinholes. They are more common it seems with clearcoating over CF as opposed to just painting over it. Sanding the surface is routine for adhesion purposes.
03 FLHRI Road King
03 999R #189
09 1125CR Buell (sold)
07 1100S MTS (sold)
04 999S (sold)
95 916 (sold)
01 900SS (sold)
05 Honda 600RR (sold before I crashed it)
05 Honda 600RR (full Yosh, PC, totalled it)
Ducati-Owners-Group of Sacramento region.