Check the variator making sure it has 3 plastic guides and they are not worn or broken, check the rollers by rolling on a flat smooth surface looking and listening for flat spots. Clean with compressed air and reassemble with parts as needed. Remove the clutch by separating from pulley ( remember the clutch is under spring pressure from the torque spring when removing the large thin nut), Inspect the pads and mainly the drum for overheating check 3 springs (should not be able to move shoes at all), Disassemble the clutch pulley halves and clean with degreaser and grease as instructed. All this can be found in video's on You Tube.
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