The burglary took place at Readings Autos on Freemans Way between 10pm on Tuesday and 6am on Wednesday.
Two motorbikes and a large quantity of tools have been stolen in an overnight burglary in Harrogate.
A North Yorkshire Police spokesperson said: "Offenders gained entry to the building and have stolen a large quantity of motor mechanics tools and diagnostic equipment along with two motor bikes – one of which is a Honda CB600F.
"In particular, we are appealing for information about any vehicles seen in the area, which were acting suspiciously or any one selling used tools, specifically SNAP-ON branded items."