User reconditioning is limited to replacing lever assemblies. However AP Racing offer a reconditioning service for seal and piston replacement where the use of specialist test equipment is necessary to set up the master cylinder.
CP6125, CP4125, CP3125, CP2215 & CP2232
User servicing of these master cylinders is possible and seal repair kits are available.
Obsolete Master Cylinders Seal repair kits are available
for master cylinders which are no longer in the
if any impact is sustained on the lever or cylinder body, the complete master cylinder assembly must be sent back to ap racing for examination or be replaced.