Description:

Here is a 50cc 139QMB scooter & go-kart engine crankcase cover for those popular 4-stroke 139QMB engines that put the power to so many of today's 49/50cc motor scooters. These are probably the most common scooter and go-kart engines, and many millions have been made over the years. Two length styles, Long Case and Short Case. Black finish.