M/5000r/min±250 r/min Idle speed 1500 r/min±100r/min Front sprocket 420 - 17mm - 14T. It comes with: Chain case and Gasket , 35mm Air filter, PZ19 Carburetor. The item "125cc 3+1 Semi Auto Engine Motor Kit Electric Start ATV Quad Bike Buggy Gokart" is in sale since Monday, November 16, 2020. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines". The seller is "tdpro99" and is located in Wollongong, NSW, Australia.This item can be shipped worldwide.