i own a yzf 600 street bilke and before i stored it i noticed that i can get into 6th gear, also 5th gear is vibrating bad and now 4th gear is starting to vibrating too i changed the oil and filter it looked good, no metal chips, i talked to one of my friends and he had the same prob. said it was a 7 daller fix, he needed some sort of spring, please someone help i dont wanna spend big bucks fixing it,