Engine Assembly - GY6 150cc Automatic w/ Reverse for ATV - Version 12 Photograph Outside diameter - 103mm

Outside diameter - 103mm

Arm attaches to 9

Seal: 20 x 37 x 7

Uses 110mm shoes

Engine Assembly - GY6 150cc Automatic w/ Reverse for ATV - Version 12 Photograph Outside diameter - 103mmGY6 150cc Engine Assembly Automatic w Reverse for ATV This is the OEM engine for the Tao Tao ATA150G and BULL 150 atv. If you are trying to install the engine in an atv that is not one of those two units, please note: If you are going to return the engine, it must be in new, unused condition, you are responsible for the return freight and there is a 20% restocking fee. Engine specs: 149cc 4 stroke 1 cylinder EPA certified Electric start Starter is