A 53-year-old man, from Keswick, has died after a crash on the A66 near Penrith.
It happened at around 5.40pm on Wednesday 16 May on the A66 at Dacre.
The man's motorbike, a black Yamaha, was the only vehicle involved in the crash.
The road was closed for four hours while investigations were carried out.
Anyone with information is asked to call 101.