Complete 125cc engine 7.5 HP. 4 speed Semi automatic gearbox. Alloy cylinder for improved cooling & light weight construction. There may be slight differences in the appearance of the engine i. E colour (light gray/sliver) - this is down to factory variation.Please check out our other other listings for many more Genuine Stomp Components. The item "Stomp Lifan 125cc Semi Automatic Pit Bike Engine Kit BIG VALVE HEAD WPB Demon X" is in sale since Monday, March 21, 2016. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "ecm_race_dept" and is located in Ballyclare. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.