This is a high - quality Yamaha KT100 piston ring. The ring is designed to be 0.005 to 0.010 larger than the piston size. For example, if you have a 52.10 piston, you'll need a 52.20 ring. It ensures smooth operation and excellent performance of your engine.

Using this Yamaha KT100 piston ring is easy. First, make sure to measure your piston size accurately. Then select the right - sized ring according to the rule that the ring should be 0.005 to 0.010 bigger than the piston. During installation, handle the ring gently to avoid any damage. When it comes to maintenance, keep the ring clean and free from dirt and debris. Regularly check the ring's condition to ensure it's still in good shape. If you notice any signs of wear or damage, it's time to replace the ring.