Parts list: № Number Qty Name Options 1 YZ280318 1 Gear (SUB FOR 4028321) 2 F40211 4 Ball Bearing 3 YZ280319 1 Gear (SUB FOR 4028322) Next page: ST35013 YZ101796 Gear and Bearing Group, .628:1 Ratio ST35016 YZ280069 Gear and Bearing Group, .56:1 Ratio ST35018 YZ40281535 Gear and Bearing Group, .714:1 Ratio ST767357 YZ100265 Gear and Bearing Group, 1.80:1 Ratio ST35005 4028956 Gear and Bearing Group, .32:1 Ratio ST35003 4028955 Gear and Bearing Group, .40:1 Ratio ST35000 4028954 Gear and Bearing Group, .43:1 Ratio ST34997 4028953 Gear and Bearing Group, .49:1 Ratio ST34994 4028952 Gear and Bearing Group, .56:1 Ratio