Outside Distributing 05-0216 Intake Manifold, 13mm Fits 2-stroke 43/47/49cc models. Type X1/X2/X7 with 13mm and 15mm intake manifold on pocket bikes, ATVs and dirtbikes. 43/47/49cc 13mm Intake manifold for 2-Stroke Pocket Bikes, Pocket ATVs and Pocket Dirtbikes. Comes with Gasket. Compatible With: 2-Stroke 43cc Units; 2-Stroke Units 49cc: Type X1/X2/.