KTM 2015 RC 390 EU Owner's Manual page 161

19 CLEANING, CARE
–
Treat the engine, swingarm, and all other bright and zinc-plated parts (except for the
brake discs) with a wax-based corrosion inhibitor.
Info
Corrosion inhibitor is not permitted to come in contact with the brake discs as
this would greatly reduce the braking force.
–
Clean the chain. ( p. 84)
159