A Scarborough man died Saturday after his motorcycle hit a guardrail in Limerick.
Christopher Mannion, 30, was riding a 2007 Honda motorcycle south on Route 5 about 1:41 p.m. when he lost control and hit a guardrail, according to Shannon Moss, a spokesperson for the Maine Department of Public Safety.
Moss said Monday that speed appears to be a factor in the crash.
The crash remains under investigation.
No additional information was immediately available.