USED Honda Harmony HS520ASA 4 Stroke Snow Blower/PICKUP ONLY AT 08638Needs a carburetor cleaning and tuneup. The item “USED Honda Harmony HS520ASA 4 Stroke Snow Blower/PICKUP ONLY AT 08638″ is in sale since Monday, September 2, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Snow Blowers”. The.