This is an update on my quadcopter, i have made a few changes to it that have greatly improved it. Below are the links to the motor shafts and the replacement motor that i bought. Also the link to the manual for version 1.19S1 Pro.
Manual for version 1.19S1 Pro http://www.rcgroups.com/forums/showthread.php?t=2298292
Motor shafts from Amazon.com http://www.amazon.com/gp/product/B015A28DX8?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00
Replacement motor from Amazon.com http://www.amazon.com/gp/product/B00M3TOIFY?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00