NCY CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139
Weight:3.4 kg
1100-1247NCY GY 50/QMB139 47MM BORE, CAST IRON, CYLINDER KIT W/O HEAD
OUR MOST POPULAR BIG BORE KIT FOR THE QMB139/GY6 50 SCOOTER ENGINE, THIS BOLT ON 72CC KIT REALLY PERFORMS NICELY WHEN YOU COMBO IT WITH PART 1100-1250, NCY PERFORMANCE CAMSHAFT. DON'T FORGET TO UPJET!
NOTE:REMOVE YOUR VALVE FROM YOUR SCOOTER'S HEAD AND MEAURE THE FULL LENGTH OF THE VALVE STEM. SOME SCOOTERS LIKE ZNEN(WOLF BRAND, GMW, BINTELLI, ETC), KYMCO 50CC 4T(AGILITY), SOME NEWER TAOTAO AND OTHER 50CC 4-STROKE SCOOTERS MAY HAVE VALVE STEM LENGTH OVER 64MM. BE SURE TO MEASURE YOUR OLD VALVES.
HAVE A LOOK AT OUR DECOMPRESSION TUBE ASSEMBLY WHICH REPLACES YOUR DIPSTICK AND ALLOWS EXCESS CRANK CASE PRESSURE TO BE RELEASED.
GOOD IDEA TO INSTALL ONE OF THESE ALONGSIDE ANY CYLINDER KIT UPGRADE.
KIT INCLUDES CYLINDER: 47mm BORE *72cc* GASKET SET PISTON WITH PISTON RINGS WRIST PIN CIR CLIPS 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 72cc. FITS TAO MOTORS, ICE BEAR, WOLF,JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR AND MANY OTHERS
