Police have named the man killed when his motorcycle collided with a Mercedes van on the A713 near Dalry on Wednesday.
The 52-year-old has been named as Jim Milligan from Cannock in Staffordshire. The driver of the van, a 54-year-old man from Oldham was uninjured.
The road was closed until just before 9pm to allow a full crash scene investigation to take place and diversions were in place during this time. The Procurator Fiscal has been informed.