Parts list: № Number Qty Name Options 1 YZ590116 4 Gear 56T SUB FOR 4059016 2 YZ104564 8 Bearing 3 YZ590041 1 Gear 56T 4 F40214S 1 Ball Bearing 5 F40214 1 Ball Bearing Next page: ST305668 YZ590021 Gear and Bearing Group, 0.836:1 Ratio ST305666 YZ102028 Gear and Bearing Group, 0.898:1 Ratio ST305661 YZ102027 Gear and Bearing Group, 0.836:1 Ratio ST305658 YZ102026 Gear and Bearing Group, 0.777:1 Ratio ST305655 YZ102025 Gear and Bearing Group, 0.723:1 Ratio