Looking at the parts list it looks like the recoil is inside the front housing
http://www.mtdparts.com/webapp/wcs/stores/servlet/ARIPartFinderView?storeId=10101&catalogId=19502&langId=-1#/MTD_Merged_Data/BL100_41AD100G163/Engine_Parts/010328910-A/0103289100002
There are lots of DIY videos on the net showing you the process of replacing the rope in detail.Maybe not for the Bolens model, but I believe these are made by Ryobi......
Search term = weedwacker!
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