WASHINGTON — The U.S. Marine Corps said Thursday it is not grounding its MV-22 Osprey fleet over a clutch problem, as the U.S. Air Force did earlier this week.

The Kawasaki M1030-M1 for the U.S. Marine Corps was not made from scratch. Instead, it started life as a Kawasaki KLR650 dual-sport bike, a favorite among adventure riders.

Retired U.S. Marine Corps First Sgt. Ron Maxson picked up a 9 1/2 pound M1 rifle on exhibit Saturday at West Overton Museum in Scottdale and told the onlookers he could still “tear it down and ...