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Home › NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
  • NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
  • NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
  • NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
  • NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139
  • NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139

NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139

Weight:3.4 kg

1100-1237
  • $8747 $87.47


NCY GY6 50/QMB139 50MM BORE CAST IRON CYLINDER KIT W/O HEAD. THE PERFECT UPGRADE FOR MOST QMB139/GY6 50 SCOOTERS, THIS BOLT-ON 81cc KIT WILL REALLY GIVE YOUR SCOOTER SOME GO. IT IS RECOMMENDED TO GET PART NUMBER 1100-1239, 50mm BIG VALVE HEAD AS WELL, AS MOST STOCK HEADS WILL NOT FIT.

IN ADDITION, WE REALLY RECOMMEND 1100-1250, NCY PERFORMANCE CAMSHAFT AS AN AMAZING COMPLIMENTARY ITEM TO THIS KIT. IT WILL ALLOW THE KIT TO PERFORM TO ITS MAXIMUM POTENTIAL AND GO 50-55 MPH!

HAVE A LOOK AT OUR DECOMPRESSION TUBE ASSEMBLY (1100-1282) WHICH REPLACES YOUR DIPSTICK AND ALLOWS EXCESS CRANKCASE PRESSURE TO BE RELEASED. GOOD IDEA TO INSTALL ONE OF THESE ALONGSIDE ANY CYLINDER KIT UPGRADE.

*ALL THESE ITEMS SUGGESTED CAN BE FOUND IN MY STORE, JUST TYPE THE NUMBER IN THE SEARCH BAR* *THIS KIT HAS NO CYLINDER HEAD* THIS IS A DROP IN CYLINDER KIT, NO CRANK CASE MODIFICATIONS REQUIRED! WHEN USED IN CONJUNCTION WITH A STOCK STROKE OF 41.4mm THE TOTAL DISPLACEMENT COMES OUT TO 81cc. KIT INCLUDES CYLINDER: 50mm BORE *81cc* GASKET SET PISTON WITH PISTON RINGS WRIST PIN CIR CLIPS FITS BRANDS LIKE JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR AND MANY OTHERS
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