take a mapp gas tourch with u heat the y pipe in front of the cyc head......pull the rope...off u go ....we use them on the trail/cabin at 37 to 42 below
I generally use boiling water on the exhaust manifold of the snowmachines. Same deal but safer perhaps; can also be used on stubborn/iced carbs without worry about an open flame. Obvious precautions apply in applying water/steam around a fuel system, of course, to avoid exacerbating an existing problem.
