Class III - Low Risk
The gearbox could have mistakenly been installed upside down by the STIHL dealer causing the tines to rotate backwards toward the operator, posing a laceration hazard to the user.
STIHL Incorporated of Virginia Beach, Va.
Class II - Moderate
The bolts connecting the plastic blades and holding the mowing head together can come loose and the mowing head can come apart, posing a risk of injury to the user or bystanders.
Class III - Low Risk
The throttle trigger may stick after it has been released by the operator, which could cause the engine to continue to run at a speed that drives the saw chain. This can pose a risk of a laceration injury to the user or a bystander.
Class II - Moderate
Vibration from the ignition module may cause the trimmer head to loosen and detach from the mounting, posing an injury hazard.