When making a reply or a new post click on button I have circled in red.If it is from a phone then some allow adding pictures but some require you take a picture. So after you find the picture you want choose upload.
Craftsman model number to Tecumseh model number. If you know your model number you can look up the engine that is in it.
http://www.cpdonline.com/drl/QuickReference/Craftsman%20to%20Tecumseh%20Model%20Cross%20Reference%204103.PDF
Chiming in on the idler pulley that looks to be wrong. It is a v-belt idler when it should be a flat idler pulley. I could be wrong but the back of the belt is in a v-pulley, not a flat pulley. Picture attached of the idler that I think is wrong and the type of idler I think it should be.
Wrong...