Brand New - 49cc Complete Engine (2 Stroke) - with Transmission. Fits COOLSTER QG-50X - 49cc Mini Pocket Bike.The item "Engine Motor w Transmission For Coolster QG50X QG-50X Mini Pocket Dirt Bike 49cc" is in sale since Thursday, June 25, 2020. This item is in the category "eBay Motors\Parts & Accessories\Other". The seller is "morethenhundreds" and is located in Los Angles, CA. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.