GIDDAY FIRST TIME USING THIS SO PLEASE BEAR WITH ME I HAVE A ZETOR 120/45 CRYSTAL SERIES I THINK AM STARTING TO HAVE TROUBLE WITH IT JUMPING OUT OF GEAR MAINLY HIGH RANGE WHEN I BACK OFF THE THROTTLE HAS ANYONE HAD THE SAME PROB AND DO YOU KNOW HOW TO FIX I WOULD ALSO LIKE TO FIND A FEL MOUNT KIT TO SUIT