Professional installation highly recommended to avoid the damage to engine, we will not take responsibility if engine or part damage. The engine (100% assembled as can be view in the pictures) Gas: engine oil - 25:1. 54 Teeth 29mm in dia. The item "49cc 2-Stroke Racing Engine+T8F Chain+54T Sprocket Motor Pocket Bike Mini ATV US" is in sale since Monday, February 12, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines".
The seller is "qql2010" and is located in Dallas, Texas. This item can be shipped worldwide.