NOT SO WITH THIS KIT. (OUTER CYLINDER SKIRT DIAMETER: 62.9mm).
IT ALSO HAS A LIGHT WEIGHT CUT-DOWN PISTON TO INCREASE PERFORMANCE EVEN MORE. ITS HIGHLY RECOMMENDED TO JET THIS KIT SIGNIFICANTLY RICH BECAUSE OF ITS HIGH PERFORMANCE CAPABILITY.
TO MAXIMIZE PERFORMANCE AND EFFICIENCY, ITS RECOMMENDED TO GET OUR 61mm BIG VALVE HEAD AS WELL. SOME STOCK HEADS MAY NOT FIT.
HAVE A LOOK AT OUR DECOMPRESSION TUBE ASSEMBLY, WHICH REPLACES YOUR DIPSTICK AND ALLOWS EXCESS CRANK CASE PRESSURE TO BE RELEASED. ITS A GOOD IDEA TO INSTALL ONE OF THESE ALONGSIDE ANY CYLINDER KIT UPGRADE. SIZE: 62.9mm OUTER CYLINDER SKIRT DIAMETER.The item "NCY CYLINDER UPGRADE KIT (ALUMINUM, 61mm, 171cc) FOR GENUINE / GY6 MOTORS" is in sale since Friday, October 7, 2016. This item is in the category "eBay Motors\Parts & Accessories\Scooter Parts\Other Scooter Parts". The seller is "gy6store" and is located in Denver, North Carolina.
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