What type of oil should I use in my Craftsman 917.275700 lawn mower?
Use high quality detergent oil rated with API service classification SG-SI. For temperatures above 32°F, use SAE 30 oil. For temperatures below 32°F, use SAE 5W-30 oil. The oil capacity is 4.0 pints with filter or 3.75 pints without filter. (Page 6, 18)
From the official Craftsman 917.275700 Lawn Mower manual, page 6
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