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It happened on Monday, Aug. 17 at around 1:30 p.m. in the town of Kent.
Robert J. Costabile, 69, of Valhalla, was operating a 2016 Harley Davidson motorcycle on the northbound side near Hortontown Hill Road when, for unknown reasons, was unable to negotiate a curve and lost control before leaving the roadway, state police said.
Costabile succumbed to his injuries and was pronounced dead at the scene, police said.
This investigation remains ongoing.
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