90cc 2-STROKE SUPER BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 54mm CYLINDER BORE AND 12mm WRIST PIN. Hoca Racing Kit for 90cc, 2-Stroke Minarelli Style Engines. Our Hoca Racing Kit will upgrade your stock 50mm Cylinder to a 54mm Bore. Made in Taiwan, this kit includes everything you need to increase overall speed, horsepower and torque.Nickel Finish Exhaust with Carbon Fiber Silencer. 54mm Big Bore Kit - 12mm Piston Pin. HP Intake with Carbon Fiber Reed Valves. HP Torque Spring (2000 RPM). FITS MOST CHINESE SCOOTERS WITH JOG / MINARELLI / YAMAHA CLONE MOTORS FITS JONWAY, JMSTAR, ROKETA, SUNL, YAMAHA AND MANY OTHERS SHIPS FROM SHELBY, NC. The item "Hoca 90cc 2 STROKE BIG BORE KIT FOR SCOOTERS WITH JOG MINARELLI 12mm PIN MOTORS" is in sale since Saturday, August 6, 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. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Croatia, Malaysia, Brazil, Colombia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.