Mirihana Police Unsolved Crimes Investigations Division discovered 14 high speed motor bikes from a garage in Akurugoda, Battaramulla yesterday.
The motor bikes, manufactures in Japan, Italy and the US, were estimated to be worth Rs. 10 million.
The 36 year-old engineer who owned the garage could not provide any documents to show how he had the motorbikes in his garage.
Police is investigating if these bikes had been used in any criminal activities.