Mfg. No: 12S F8

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3 Model Components Table Of Contents Page Air Cleaner, Exhaust System Blower Housing, Electric Starter, Flywheel, Rewind Starter Camshaft, Crankshaft, Cylinder, Piston Group Carburetor, Fuel Supply Controls, Governor Spring, Ignition Crankcase Cover, Gear Reduction, Lubrication Cylinder Head Copyright Briggs and Stratton. All Rights reserved 3 03-Oct-2017

5 Air Cleaner, Exhaust System REF NO PART NO QTY DESCRIPTION Tube-Breather -(Flat Panel Air Cleaner) 11A Tube-Breather -(High Mount Air Cleaner) 11B Tube-Breather -(Ultra Low Mount Air Cleaner) Base-Air Cleaner -(Flat Panel Air Cleaner) 163A Gasket-Air Cleaner -(High Mount Air Cleaner) 163B Gasket-Air Cleaner Muffler 300A Muffler 300E Muffler Screw -(Spark Arrestor) (Metric) SCREW -(Spark Arrestor) (SAE) Screw -(Air Cleaner Cover) 425A SCREW -(Air Cleaner Cover) S Filter-A/C Cartridge -(Flat Panel) 445A Filter-A/C Cartridge -(High Mount Air Cleaner) Knob-Air Cleaner Cover Filter-Air Cleaner Foam 535A S Filter-Air Cleaner Foam 535B S Filter-Air Cleaner Foam Screw -(Muffler) 613A SCREW -(Muffler) 613B Screw -(Muffler) Retainer-Air Filter Deflector-Muffler Screw -(Muffler Deflector) (Metric) SCREW -(Muffler Deflector) (SAE) Screw -(Muffler Bracket) 819A Screw -(Muffler Bracket) Screw -(Muffler Adapter) Guard-Muffler 832A Guard-Muffler 832D Guard-Muffler Screw -(Muffler Guard) 836A Screw -(Muffler Guard) 836C Screw -(Muffler Guard) 836E Screw -(Muffler Guard) Copyright Briggs and Stratton. All Rights reserved 5 03-Oct-2017

7 Air Cleaner, Exhaust System REF NO PART NO QTY DESCRIPTION 836B Screw -(Muffler Guard) Strap/Stud-Air Cleaner Mounting Bracket-Muffler Adapter-Muffler Base-Air Cleaner -(High Mount Air Cleaner) Gasket-Exhaust 883A Gasket-Exhaust -(Head To Adapter) SCREW -(Air Cleaner Bracket) Cover-Air Cleaner -(Flat Panel) 968A Cover-Air Cleaner -(High Mount Air Cleaner) 968B Cover-Air Cleaner -(Ultra Low Mount Air Cleaner) Screw -(Air Cleaner Base to Carburetor/Throttle Body) (SAE) Screw -(Air Cleaner Base to Carburetor/Throttle Body) (Metric) 971A Screw -(Air Cleaner Base to Carburetor/Throttle Body) 971B Screw -(Air Cleaner Base to Carburetor/Throttle Body) Arrestor-Spark 994A Arrestor-Spark 1425A Hose-Purge Line Copyright Briggs and Stratton. All Rights reserved 7 03-Oct-2017

9 Blower Housing, Electric Starter, Flywheel, Rewind Starter REF NO PART NO QTY DESCRIPTION Flywheel Guard-Flywheel Housing-Rewind Starter -Used Before Code Date Housing-Rewind Starter -(Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date ROPE, Starter (Cut To Required Length) -(Cut To Required Length) -Used After Code Date Rope-Starter -(Cut To Required Length) -Used Before Code Date HANDLE, Starter Rope SCREW -(Rewind Starter) (Metric) Screw -(Flywheel Guard) Housing-Blower SCREW -(Blower Housing) Motor-Starter BOLT -(Starter Motor) Brush Set Nut -(Flywheel) PULLER, Flywheel Cup-Flywheel 456 Plate-Pawl Friction -(Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date Plate-Pawl Friction -Used Before Code Date Pawl-Ratchet -(Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date S Pawl-Ratchet -Used Before Code Date Drive-Starter ARMATURE, Starter 597 Screw -(Pawl Friction Plate) (Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date Screw -(Pawl Friction Plate) -Used Before Code Date C Starter-Rewind WASHER -(Brush Retainer) Spring-Friction -Used Before Code Date Spring-Friction -(Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date SCREW -(Starter Motor) (Drive Cap) Shield-Heat Cover-Starter Drive Copyright Briggs and Stratton. All Rights reserved 9 03-Oct-2017

11 Blower Housing, Electric Starter, Flywheel, Rewind Starter REF NO PART NO QTY DESCRIPTION Screw -(Heat Shield) SCREW -(Starter Drive Cover) Gear-Pinion NUT -(Brush Retainer) CAP, Drive CAP, End 1005A Fan-Flywheel RING, Retaining Screw -(Flywheel Fan) RETAINER, Brush 1210 Pulley/Spring Assembly -(Pulley) (Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date Pulley/Spring Assembly -(Pulley) -Used Before Code Date Pulley/Spring Assembly -(Pulley) -Used Before Code Date Pulley/Spring Assembly -(Spring) (Not Serviced Separate. Service With Rewind Assembly.) -Used After Code Date Pulley/Spring Assembly -(Spring) -Used Before Code Date Copyright Briggs and Stratton. All Rights reserved Oct-2017

13 Camshaft, Crankshaft, Cylinder, Piston Group REF NO PART NO QTY DESCRIPTION Cylinder Assembly S SEAL, Oil -(Magneto Side) Gasket-Cylinder Head Gasket-Crankcase 16B Crankshaft -6:1 Gear Reduction Bearing-Ball -(PTO Side) 17A Bearing-Ball Seal-Oil -(PTO Side) 20A Seal-Oil -(PTO Side) KEY, Flywheel Piston Assembly -(Standard) Piston Assembly -(.020" Oversize) Ring Set -(Standard) Ring Set -(.020" Oversize) Lock-Piston Pin Pin-Piston Rod-Connecting -(.020" Undersize) 29B Rod-Connecting Dipper-Connecting Rod Screw -(Connecting Rod) 32A Screw -(Connecting Rod) 32B Screw -(Connecting Rod) Camshaft 46A Camshaft Gasket-Intake 163B Gasket-Air Cleaner Shield-Cylinder SCREW -(Cylinder Shield) Motor-Starter Nut -(Flywheel) Key-Drive Pulley Gasket Set-Engine KEY, Woodruff Bushing-Governor Crank Retainer-Governor Shaft Crank-Governor PIN, Locating Gear-Timing -(Metal Gear, See Reference 16 Crankshafts) 741A Gear-Timing -(Nylon Gear, See Reference 16A Crankshafts) Copyright Briggs and Stratton. All Rights reserved Oct-2017

15 Camshaft, Crankshaft, Cylinder, Piston Group REF NO PART NO QTY DESCRIPTION Seal-Valve Gasket-Exhaust 883A Gasket-Exhaust -(Head To Adapter) Gasket-Cylinder Head Plate Gasket-Rocker Cover 1036 Label-Emissions -(Available From A Briggs & Stratton Authorized Dealer) Operator's Manual LABEL, Warning 1319A LABEL, Warning Repair Manual Copyright Briggs and Stratton. All Rights reserved Oct-2017

17 Carburetor, Fuel Supply REF NO PART NO QTY DESCRIPTION Gasket-Intake 51A Gasket-Intake Screw -(Throttle Valve) Shaft-Throttle 97C Shaft-Throttle Kit-Idle Speed 98C Kit-Idle Speed 104C Pin-Float Hinge 105A Valve-Float Needle Valve-Choke Shaft-Choke 109A Shaft-Choke 109C Shaft-Choke Jet-Main -(Standard) -Used Before Code Date D Jet-Main -(Standard) -Used After Code Date Used Before Code Date D Jet-Main -(Standard) -Used After Code Date Jet-Main -(High Altitude) -Used Before Code Date D Jet-Main -(High Altitude) -Used After Code Date Used Before Code Date D Jet-Main -(High Altitude) -Used After Code Date Kit-Carburetor Overhaul 121D Kit-Carburetor Overhaul Spacer-Carburetor 125D Carburetor Plug-Welch 127E Plug-Welch Valve-Throttle 130D Valve-Throttle Float-Carburetor 133B Float-Carburetor Kit-Needle/Seat Gasket-Float Bowl 137C Gasket-Float Bowl 163A Gasket-Air Cleaner -(High Mount Air Cleaner) 163B Gasket-Air Cleaner Connector-Hose LINE, Fuel -(Cut To Required Length) 187A Line-Fuel -(Molded) 187C Line-Fuel -(Molded) Copyright Briggs and Stratton. All Rights reserved Oct-2017

19 Carburetor, Fuel Supply REF NO PART NO QTY DESCRIPTION 187D Line-Fuel -(Molded) Screw -(Fuel Tank) 190B Screw -(Fuel Tank) S FILTER, Fuel -(White, 75 Microns) S Filter-Fuel -(Red, 150 Microns) Washer-Sealing 276C Washer-Sealing Screw -(Carburetor) CLAMP, Hose 601B Clamp-Hose Seal-Choke/Throttle Shaft 633A Seal-Choke/Throttle Shaft 633B Seal-Choke/Throttle Shaft Spring-Detent -(Choke) 692B Spring-Detent Clip Canister-Carbon Hose-Air 957A Cap-Fuel Tank 957C Cap-Fuel Tank Valve-Fuel Shut Off Tank-Fuel 972A Tank-Fuel Bowl-Float 975C Bowl-Float Hose/Clamp Assembly Filter-Filler Neck 1345A Filter-Filler Neck 1425A Hose-Purge Line Copyright Briggs and Stratton. All Rights reserved Oct-2017

21 Controls, Governor Spring, Ignition REF NO PART NO QTY DESCRIPTION SCREW -(Control Bracket) Spring-Governor 222D Bracket-Control Lever-Governor Control CLAMP, Casing SCREW -(Casing Clamp) CASING, Control Wire -(Cut To Required Length) WIRE, Control -(Cut To Required Length) NUT -(Control Wire Casing) Lever-Control 271A Lever-Control Panel-Control 318A Screw -(Mounting Bracket) Armature-Magneto SCREW -(Magneto Armature) Wire-Stop 356A Wire-Stop 356C WIRE, Stop 356E Wire-Stop 356F Wire-Stop 356B Wire-Stop SCREW -(Starting Switch) Nut -(Control Bracket) NUT -(Control Bracket) (Metric) 493B BRACKET, Mounting 500B WASHER -(Key Switch) 501A Regulator STRAP, Starter Washer Set-Friction Nut -(Governor Control Lever) 526A SCREW -(Regulator) Bolt -(Governor Control Lever) Screw -(Control Cover) 564A Screw -(Control Cover) CABLE, Starter NUT -(Starter Cable) Cover-Control Switch-Stop Spring/Link-Mechanical Governor Copyright Briggs and Stratton. All Rights reserved Oct-2017

23 Controls, Governor Spring, Ignition REF NO PART NO QTY DESCRIPTION Screw -(Support Bracket) 652A Screw -(Support Bracket) Screw -(Control Panel) NUT -(Key Switch) Spacer Retainer -(Control Bracket) Harness-Wiring CLAMP Bracket-Wire Harness 843A SLEEVE, Lever S TERMINAL, Spark Plug Bracket-Support 892A Switch-Key Solenoid-Starter 990A SET, Key Tie-Cable SCREW -(Alternator) Stud -(Control Bracket) Copyright Briggs and Stratton. All Rights reserved Oct-2017

25 Crankcase Cover, Gear Reduction, Lubrication REF NO PART NO QTY DESCRIPTION S SEAL, Oil -(Magneto Side) Gasket-Crankcase 15B Plug-Oil Drain Bearing-Ball -(PTO Side) 17B Bearing-Ball Cover-Crankcase Seal-Oil -(PTO Side) 20A Seal-Oil -(PTO Side) S Cap-Oil Fill Screw -(Crankcase Cover/Sump) 79A Case-Gear Reduction Gasket-Gear Case 82B Screw -(Gear Reduction Case) 83A Shaft-Auxiliary Drive 84A Plug-Breather 85A Screw -(Gear Cover) 86A Cover-Gear 87A Seal-Gear Reduction 88A Gasket-Gear Cover/Housing Stud -(Crankcase Cover/Sump) GEAR, Governor Washer -(Governor Gear) MODULE-OIL SENSOR Screw -(Dipstick Tube) Terminal-Oil Plug Plug 415B Plug Plug-Dipstick/Fill Dipstick S Seal-Dipstick Tube RETAINER, E Ring Gear-Idler Screw -(Oil Sensor) SEAL, O-Ring -(Dipstick Tube) Dipstick/Tube Assembly Sensor-Oil SCREW -(Oil Sensor Module) Copyright Briggs and Stratton. All Rights reserved Oct-2017

27 Cylinder Head REF NO PART NO QTY DESCRIPTION Head-Cylinder -(Metric) Gasket-Cylinder Head Screw -(Cylinder Head) Valve-Exhaust Valve-Intake Spring-Valve -(Intake) Spring-Valve -(Exhaust) Retainer-Valve TAPPET, Valve Gasket-Intake Spacer-Carburetor Plate-Cylinder Head -(SAE) -Used Before Code Date Plate-Cylinder Head -(Metric) -Used After Code Date Adjuster-Rocker Arm -(SAE) -Used Before Code Date Adjuster-Rocker Arm -(Metric) -Used After Code Date Cap-Valve S Plug-Spark -(Resistor) PLUG, Spark -(EMS) S WRENCH, Spark Plug 383A Wrench-Spark Plug SCREW -(Cylinder Head Plate) BOOT, Spark Plug 635A Boot-Spark Plug Stud-Rocker Arm -(Metric) -Used After Code Date Stud-Rocker Arm -(SAE) -Used Before Code Date Seal-Valve SCREW -(Rocker Cover) (Bottom) 914A Screw -(Rocker Cover) (Top) -Used Before Code Date A Screw -(Rocker Cover) (Quantity 1 Top Or Center) -Used After Code Date B Screw -(Rocker Cover) (Center) -Used Before Code Date Gasket-Cylinder Head Plate Gasket-Rocker Cover Cover-Rocker Copyright Briggs and Stratton. All Rights reserved Oct-2017

29 Cylinder Head REF NO PART NO QTY DESCRIPTION Rod-Push Arm-Rocker -(Metric) -Used After Code Date Arm-Rocker -(SAE) -Used Before Code Date Guide-Push Rod Gasket Set-Valve Copyright Briggs and Stratton. All Rights reserved Oct-2017

Mfg. No: E1

Mfg. No: E1 Parts Manual Mfg. No: 120312-0143-E1 Copyright Briggs and Stratton. All Rights reserved 05-Jan-2018 Model Components Table Of Contents Page Air Cleaner, Exhaust System...........................................................................