Thieves stole two off-road motorbikes in Ferrybridge.
Police said an orange KTM 85 and a Yahama YZ65 in blue and black were stolen from a property on Mill View, in Ferrybridge between June 15 and June 20.
Insp Geoff Carter, of the Pontefract and Knottingley neighbourhood policing team (NPT), said the bikes were worth around £1,000 each.
He appealed for anyone with any information to contact the NPT on 101, quoting crime reference 13140242978.
Alternatively call Crimestoppers, anonymously, on 0800 555111.