Standard transmission kit Yamaha 90

11-tooth sprocket, 58-tooth steel crown and standard 420 pitch chains without retainers, 132 links and clip closure

14-tooth sprocket, 50-tooth steel crown and 428-pitch reinforced chains without seals, 122 links and clip closure

15-tooth sprocket, 40-tooth steel crown and 520 pitch reinforced chains without retainers, 100 links and Clip closure

16-tooth sprocket, 42-tooth steel crown and chains with 525 pitch gold X-ring retainers, 118 links and rivet closure

13-tooth sprocket, 40-tooth steel crown and 520 pitch black X-ring chains with retainers, 92 links and Clip closure