Yamaha RD125 Rear sprocket. 37 tooth Nov 17, 2012 12:32:37 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Superdel on Nov 17, 2012 12:32:37 GMT -5 Yamaha RD125 Rear sprocket. 37 tooth £14 postedAttachments: