FIRST OFF?
IS THE CLUTCH HANDLE THE ORIGINAL,NOT BENT, AND DOES NOT HAVE LEATHER OR ??? ADDED STUFF ON IT?
any fancy grip or leather handle cover shortens the thorough and ALL IS NEEDED !
YOU WANT THE FULLEST PULL POSSIBLE!!!!!!!!!!!!!! !!!!!!!!!!!
I HAVE FOUND ON MY OLDER BIKES,,,,, THAT THE CLUTCH CABLE AND ADJUSTMENT ON IT NEEDED TO BE A LITTLE TIGHTER THAN ONE WOULD THINK (book showed)..... THERE IS A LOT OF SLACK IN THE OLDER WELL-USED PARTS....
******SHOWING NO (0) CLEARANCE AT THE HANDLE-CABLE BUT STILL NOT PRESSURING AGAINST CLUTCH THROW-OUT-BEARING....
******YOU CAN TRY THIS TIGHTER ADJUSTMENT AND IF IT WORKS THAT SHOULD SOLVE THE PROBLEM.... I WOULD BET IT DOES.....
please try this and post results
signed....BUBBIE