A 62-year-old Colorado man died yesterday of injuries suffered in a motorcycle crash last week on the Big Island, police said.

The victim has been identified as Herman A. Dietrich of Denver.

Big Island police said Diet-rich and his wife were traveling east on Akaka Falls Road when Dietrich lost control and ran off the right side of the road at about 2:17 p.m. Thursday.

Driver and passenger were taken to the Hilo Medical Center. Herman Dietrich was pronounced dead at the hospital yesterday.

Dietrich and his wife were wearing helmets, police said.

It was the fourth traffic fatality of the year on the Big Island.