This new - style Yamaha crank assembly features a heavy - duty rod and bottom - placed washers. It ranks #1 on the diagram, ensuring high - quality performance and reliability.

Using this Yamaha crank assembly is straightforward. First, make sure your engine is turned off and cooled down. Then, carefully install the assembly in the designated area according to the engine's manual. When installing, pay attention to aligning the parts correctly to avoid any potential issues. For maintenance, regularly check the heavy - duty rod and bottom - placed washers for any signs of wear or damage. Clean the assembly occasionally to keep it in good condition. If you notice any abnormal noises or performance issues during use, stop the engine immediately and have it inspected by a professional.