hi i have my lmh 117 just about built and ready to break in the engine so i read the book i understand runing it rich for two min then lean it out for two min (for two tanks) but not sure about the throutle seting do i just give it enough gas so it stays running or what ?? im not sure about ??? also do i set something heavy on the skids like it says for the (tracking setup) for the break please help ... thanks