I've got problems with my Gearsensor it shows the wrong gear what can be the problem it's a 1000rr 2012 model. It happened after repair of the axle gear shift fork. They unmounted the gearsensor and after repair they mount it again and now i have the problem

Hi guys, After posting my problem in reddit they directed me to this forum. I hope I can get some help on my issue. I've been having a lot of reliability issues with my bike. Charging coil, broken rim, failing rear brake system and changing the exhaust system 3 times.. The latest problem I...