Yamaha 6205/6304 Main Bearing Shim

Choose the right thickness! These main bearing shims are designed to fit seamlessly between the main bearing and the crankcase, ensuring smooth engine operation.

To use these Yamaha main bearing shims, first, select the appropriate thickness according to your engine's needs. Then, carefully place the shim between the main bearing and the crankcase. Make sure it's properly aligned. When handling the shims, avoid scratching them as this could affect their performance. After installation, check the engine to ensure everything is running smoothly. For maintenance, keep the shims clean and dry. If you notice any signs of wear or damage, replace them promptly.