Briggs & Stratton 31C707 type 0230-E1: oil and air filter

Sources

• Owner's Manual, Craftsman Lawn Tractor 17.5 HP, 42" Mower, Electric Start, Automatic Transmission, Model No. 917.273380 (ManualsLib mirror): p6 product specifications (oil type, spark plug, gap), p52-57 Briggs & Stratton engine 31C707-0230-E1 repair parts (p56 key 337 plug, p57 key 445 air cleaner cartridge and key 967 pre-cleaner), back cover form 189260, Sears, Roebuck and Co. (Craftsman; tractor built by the Electrolux/AYP group, now Husqvarna), form 189260, 10.02.03 TR
• Owner's Manual, Craftsman Lawn Tractor 17.5 HP, 42" Mower, Electric Start, Automatic Transmission, Model No. 917.273381 (ManualsLib mirror): p6 product specifications (oil type, spark plug, gap), p52-57 Briggs & Stratton engine 31C707-0230-E1 repair parts (p56 key 337 plug, p57 key 445 air cleaner cartridge and key 967 pre-cleaner), back cover form 190922, Sears, Roebuck and Co. (Craftsman; tractor built by the Electrolux/AYP group, now Husqvarna), form 190922, 03.10.04 RD
• Briggs & Stratton Operator's Manual covering Models 210000, 280000 and 310000 (listed by Briggs for this engine model-type code): p5 tune-up specifications (spark plug gap 0.030 in.), p6 oil (SAE 30 and viscosity table), p15 partial list of parts (models 280000, 310000: flat air cleaner cartridge 698083, flat air cleaner pre-cleaner 697015; resistor spark plug 491055), Briggs & Stratton Corporation, form 276344, 3/07
• Briggs & Stratton Parts Manual, engine 31C707-0230-E1 (Briggs online illustrated parts list): key 337 491055S Plug, Spark; key 445 797008 Filter, A/C Cartridge (flat panel air cleaner); key 967 697015 Filter, Pre Cleaner, Briggs & Stratton Corporation