Hallo Everyone!I have big problem from Yesterday,bike start ratting on 4th gear.After remove selector cover and inspect springs I find nothing wrong,until I see one loose tooth on bottom of gear box!I don't now is it from bottom or top gear.My question is possible to take off gear box without moving engine?(after taking off wheel,shaft,swing arm etc)?Did someone do it?(maybe photos)Any tips to move or take apart box?Thx for any help and sorry for my English!Karol.