have u try bleeding the clutch... i had a problem like that once... were the gears didnt want to go in gears... i decided to bleed the clutch and than it help a little..i mean like only a day... than i just went ahead and change out the entire clutch and all the bearings etc... and it worked fine... what happen was the clutch cracked in half... didnt know how but it did... one day it will come...ur going to have to change the clutch... that a giver...