{"product_id":"gy6s-1100-1237-ncy-cylinder-upgrade-kit-81cc-iron-50mm-bore-for-qmb139","title":"NCY CYLINDER UPGRADE KIT (81cc, IRON, 50mm BORE) FOR QMB139","description":"\u003cp\u003e\u003cstrong\u003eNCY 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.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIN 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!\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHAVE 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.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e \u003cstrong\u003e*ALL THESE ITEMS SUGGESTED CAN BE FOUND IN MY STORE, JUST TYPE THE NUMBER IN THE SEARCH BAR*\u003c\/strong\u003e \u003cstrong\u003e*THIS KIT HAS NO CYLINDER HEAD*\u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003eTHIS 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.\u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003eKIT INCLUDES\u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003eCYLINDER: 50mm BORE *81cc*\u003c\/strong\u003e \u003cstrong\u003eGASKET SET\u003c\/strong\u003e \u003cstrong\u003ePISTON WITH PISTON RINGS\u003c\/strong\u003e \u003cstrong\u003eWRIST PIN\u003c\/strong\u003e \u003cstrong\u003eCIR CLIPS\u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003eFITS BRANDS LIKE JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR\u003c\/strong\u003e \u003cstrong\u003eAND MANY OTHERS\u003c\/strong\u003e","brand":"ChinesePartsPro","offers":[{"title":"Default Title","offer_id":53556370735416,"sku":"1100-1237","price":87.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0011\/8898\/6997\/files\/DSCN7416__14230.1560287433.jpg?v=1792867486","url":"https:\/\/www.chinesepartspro.com\/products\/gy6s-1100-1237-ncy-cylinder-upgrade-kit-81cc-iron-50mm-bore-for-qmb139","provider":"ChinesePartsPro","version":"1.0","type":"link"}