49CC 4-Stroke Bicycle Engine Kit, Powerful Pull Start 4-Stroke Gas Cycle Motor Kit, Dual Chain Drive Bicycle Motor Kit with Belt, 49CC 4-stroke Engine for Bikes with 26" Frames

YUNLAIGOTOP 49CC 4-Stroke Bicycle Engine Kit, Powerful Pull Start 4-Stroke Gas Cycle Motor Kit, Dual Chain Drive Bicycle Motor Kit with Belt, 49CC 4-stroke Engine for Bikes with 26" Frames

JRL 32mm-40mm Black Offset Intake Manifold and Gasket for 49cc 66cc 80cc Motorized Bike Motorised Bicycle (Black)

UAUS 4-Stroke Bicycle Engines Heavy Duty Adjustable 4-Stroke Engine Mount Plate for 49cc 79cc 212cc Gas Motorized Bicycle