Motorcycle chain guards serve multiple purposes and are an essential component of a motorcycle's drivetrain system. Here are the main functions of chain guards:
Protection: The primary purpose of a chain guard is to provide protection for the motorcycle's chain and sprocket. It helps to keep debris, dirt, and other foreign objects away from the chain, reducing the risk of damage, premature wear, or even chain derailment. Chain guards also help shield the rider and other components from potential harm in case the chain breaks or comes off.
Safety: Chain guards contribute to rider safety by covering the moving chain, which minimizes the risk of clothing, shoelaces, or other objects getting caught in the chain while riding. This can prevent accidents, injuries, or damage to the motorcycle.
Noise reduction: Chain guards can help reduce the noise generated by the chain's movement. By enclosing the chain, it dampens the noise and vibrations, resulting in a quieter and more comfortable ride.
Regarding their replacement, chain guards are typically durable components designed to last for a long time. However, their lifespan can be influenced by factors such as the quality of the guard, riding conditions, maintenance practices, and exposure to impacts or accidents. In general, chain guards should be regularly inspected for any signs of damage, wear, or cracking. If a chain guard becomes cracked, broken, or severely damaged, it should be replaced promptly to ensure the continued protection and safe operation of the motorcycle. If there are no visible issues, the chain guard does not need to be replaced unless recommended by the motorcycle manufacturer or a qualified mechanic due to specific concerns with the guard's structural integrity.