Heavy Duty 4-stroke Mount Plate The Heavy Duty 4-stroke Mount Plate is a thicker, upgraded mounting plate made to mount your Flying Horse 5G or Huasheng 142F 49cc 4-stroke bicycle engine to your bike frame Made to fit frames with 1-1/2" diameter tubes, its adjustable mounting plates can be adjusted to fit slightly bigger frames To install simply mount the engine on to the plate, fasten the engine studs through the plate's mounting ports in to the engine, then slide the brackets for the mounting plate on to the mounting studs, fasten, and your bike is now motorized Note: This mounting plate is for 4-stroke bicycle engine kits- 2-stroke engines cannot be used on these plates Black finish; 35 lb. capacity