Akai VCR replacement parts kits. We have two replacement rubber kits for these Akai VCRs. MBK-21: Belt Kit Contains both belts that is used in these Akai VCRs.   The most common symptom of a worn belts is noise or tracking lines in the picture.  The VCR may eat tape or shutdown when attempting to play.     Your price for our MBK-21 kit is $2.95. MBK-21P: Complete Rubber Kit This kit contains the belts and the Pinch roller.  If the pinch roller has never been changed you probably need one.  If the pinch roller has a hard glaze on it or the capstan shaft has a black buildup the pinch roller has probably been slipping.  Your price for our MBK-21P kit is $9.95.