The engine stop switch can malfunction allowing the blade to continue to rotate after the handlebar blade control lever is released, which poses a laceration hazard.
The oil filter can leak, posing a fire hazard. Pinholes or cracks have been identified in oil filters installed by the engine supplier which were not manufactured to specification.
The transducer can fail to accurately detect water pressure in a fire suppression sprinkler system. This could cause the sprinkler system to fail to activate and pump water to the sprinklers in the event of a fire.