The uneven wear of motorcycle tires, where one side wears faster than the other, is typically referred to as "cupping" or "scalloping." Several factors can contribute to this phenomenon:
Tire pressure: Incorrect tire pressure is one of the main culprits for uneven tire wear. If the tire pressure is too low or too high, it can lead to uneven distribution of weight on the tire, causing it to wear more on one side.
Riding style: The way a rider leans into corners can affect tire wear. If a rider consistently leans more to one side than the other, it can cause increased wear on that side of the tire.
Road camber: Many roads are designed with a slight slope or camber to facilitate water drainage. Constant riding on roads with a consistent slope can cause the motorcycle to lean slightly to one side, leading to uneven tire wear.
Suspension alignment: If the suspension components, such as the forks or rear shock, are misaligned or improperly adjusted, it can result in uneven weight distribution on the tires and contribute to uneven wear.
Wheel alignment: Misaligned wheels can cause uneven tire wear. If the wheels are not properly aligned, one side of the tire may be subjected to more stress, leading to faster wear.
Mechanical issues: Certain mechanical problems, such as worn wheel bearings or worn suspension components, can cause irregular tire wear patterns.
To prevent or minimize uneven tire wear, it is essential to maintain proper tire pressure, regularly inspect and adjust suspension components, ensure wheel alignment is correct, and practice balanced riding techniques. If you notice significant and persistent uneven tire wear, it is advisable to have your motorcycle inspected by a professional mechanic to identify and address any underlying issues.