A witness to the incident says she was in a business close by when she saw a motorbike "peeling up the footpath" before she heard the crash.
The police spokesperson says the rider was on the road prior to the crash and no charges have been laid at this stage.
A St John spokesperson says two units responded to the incident, and an ambulance transported a patient with moderate injuries to Taranaki Base Hospital.
At KY, customers were still being served while local tradies repaired the smashed window on Tuesday afternoon.
Chris says he understands the rider did not have insurance.
"So we will have to pay to have the glass replaced. We are lucky we could get someone reliable in so quickly to do it."
Police removed the bike from the scene.