There are no instructions included in this kit. Professional Installation Is Highly Recommended Package Include: 1 X 49cc Air Cooled Racing Engine. International buyers please note: a. The item "49cc Red Mini Pocket Bike Air Cooled Manual Racing Engines ATV Dirt Quad Scoots" is in sale since Thursday, March 28, 2019.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Accessories\Other Motorcycle Accessories". The seller is "mhestore2009" and is located in Shenzhen. This item can be shipped worldwide.