Hello I'm new to the site, I have an 85 kx 250, was out riding it this weekend and my clutch stopped engaging, had no problems shifting, but I couldn't clutch to use the back brake or stop the bike. The cable was still connected the are that works the clutch, but that arm wouldn't grab anything, I could just spin it, I tool it out but have no idea what it does on the inside of the crank case, I don't know much about this bike it was given to me by a friend, I'm assuming I need to split the crank case to fix this, but would like some input as to what to expect when I do it. I will try and attach a pic of the arm I'm talking about.