Parts list: № Number Qty Name Options 1 YZ590112 4 Gear 61T SUB FOR 4059006 2 YZ104564 8 Bearing 3 YZ101876 1 Gear 51T 4 F40214S 1 Ball Bearing 5 F40214 1 Ball Bearing Next page: ST305655 YZ102025 Gear and Bearing Group, 0.723:1 Ratio ST305658 YZ102026 Gear and Bearing Group, 0.777:1 Ratio ST305661 YZ102027 Gear and Bearing Group, 0.836:1 Ratio ST305666 YZ102028 Gear and Bearing Group, 0.898:1 Ratio ST305668 YZ590021 Gear and Bearing Group, 0.836:1 Ratio ST305649 YZ102023 Gear and Bearing Group, 1.113:1 Ratio ST305646 YZ102022 Gear and Bearing Group, 1:1 Ratio ST305643 YZ102021 Gear and Bearing Group, 1.286:1 Ratio