High-Performance 49cc 2-Stroke Engine Motor with T8F Chain. Chain: T8F chain 116Link. 1x T8F chain 116Link. Engine Type: 49cc single-cylinder, air-cooled, 2-stroke. 1x 49cc Complete Engine Motor. Fits the majority of gas scooters, pocket bikes, mini choppers, and mini quad/ATVs equipped with electric start.