THIS IS A USED MIKUNI CARBURATOR DIAPHRAGM THROTTLE SLIDE FROM A 1979 YAMAHA XS400 MOTORCYCLE. IT IS IN WORKING CONDITION. IT HAS SOME SMALL WEAR MARKS ON ONE SIDE (as seen in last photo) FROM THE FOLDING OF THE RUBBER DURING OPERATION. NO HOLES. NO TEARS. . CHECK YOUR PART NUMBER TO MAKE SURE THIS IS THE ITEM YOU NEED. YOU GET WHATS IN PHOTO. EMAIL WITH ANY QUESTIONS. IT WILL FIT