PD33J carburetor is a large-displacement ATV ATV carburetor, suitable for YAMAHA YFM 350/YFM400 and other large-displacement ATVs. It is mainly matched with 350-500cc ATV engines, and can also be used in other similar models. Technical parameters Main measuring hole diameter: ??1.2, idle speed hole diameter: ??0.45 Mixing chamber outlet diameter: ??33 Air filter diameter: ??52 Feature Description The carburetor uses advanced Japanese technology, with good performance, fuel economy and cost-effectiveness; The products favored by many brand motorcycle OEMs, we will provide high-quality after-sales service. Packing List Product Net Weight (kg): 1.26/0.74 Packing Inner Box (mm): 165*120*125 Outer Carton Dimensions (mm): 620*350*180/270 (10/20 sets per carton) Outer Carton Gross Weight ( kg):16/18.2 Accessories: 1X throttle valve cover, 1X throttle valve rubber gasket, 1X throttle valve coil, 3X throttle valve cover screw, 2X main diameter ??1.25/??1.15