1) Remove the cowl.
2) Wrap some plastic like Sahra Wrap around the nose of the fuse and firewall.
3) Plug the carburetor inlet.
4) Place the model vertically nose down.
5) Spray the cleaner over the engine and muffler.
6) Brush and wash with water.
7) Remove wrap.
8) Fire the engine up for a few minutes, in order to eliminate any water intrusion.
9) Enjoy the new look!