User manual BRIGGS & STRATTON 437400 TO 437499 ILLUSTRATED PARTS LISTS

[. . . ] 2 03/19/2007 437400 900 746 1073 1072 354 1075 653 1355 1356 16 718C REF. 900 1044 1072 1073 1075 1076 1242 1243 1355 1356 PART NO. 25 26 29 1076 32 1242 1243 RIGHT HELIX 598 LEFT HELIX 23 1044 DESCRIPTION DESCRIPTION DESCRIPTION 23 25 26 825345 Crankshaft (Used After Code Date 98123100). ------- Note ----- 825016 Crankshaft (Used Before Code Date 99010100). 825303 Flywheel 825038 Piston Assembly (Standard) ------- Note ----- 825018 Piston Assembly (010" Oversize) 825091 Ring Set (Standard) ------- Note ----- 825092 Ring Set (010" Oversize) 653 718C 746 825033 Rod-Connecting 820128 Screw (Connecting Rod) 820073 Nut (Connecting Rod) 821295 Shim-Endplay (Standard) ------- Note ----- 821297 Shim- Endplay (. 010" Oversize) 820079 Screw (Crankshaft Pulley) 820059 Pin-Locating (Crankshaft) 820611 Gear-Idler (Left Helix) (Used After Code Date 98123100). [. . . ] 6 03/19/2007 437400 46 RIGHT HELIX 192 146 LEFT HELIX 1074 1178 1014 1029 1030 371 1290 1180 1179 668A 773A 1026 238 45 1060 35 33 34 871 773 1358 REF. 1029 1030 1031 1060 1074 1178 1179 1180 1290 1358 PART NO. 820387 820106 825093 820044 820118 820032 820177 820070 820075 820112 42 553 36 868 773A 1031 REF. 33 34 35 36 42 45 46 146 192 PART NO. DESCRIPTION DESCRIPTION DESCRIPTION Arm-Rocker Support-Rocker Arm Shaft-Rocker Arm Spring-Rocker Shaft Retainer-Camshaft Screw (Camshaft Retainer) Washer (Rocker Arm Support) Nut (Rocker Arm Support) Screw (Cam Gear) Seat-Valve Spring 238 820114 Valve-Exhaust 820115 Valve-Intake 820406 Spring-Valve (Intake) 820406 Spring-Valve (Exhaust) 825082 Keeper-Valve 820110 Tappet-Valve 820388 Camshaft 691639 Key-Timing 825688 Adjuster-Rocker Arm (Used After Code Date 04083100). ------- Note ----- 825041 Adjuster- Rocker Arm (Used Before Code Date 04090100). 821214 Cap-Valve (Used After Code Date 04083100). ------- Note ----- 820113 Cap-Valve (Used Before Code Date 04090100). 553 668A 773 773A 868 871 1014 1026 820613 Gear-Cam (Right Helix) (Used After Code Date 98123100). ------- Note ----- 820119 Gear-Cam (Left Helix) (Used Before Code Date 99010100). 820111 Retainer-Valve Spring 820065 Spacer (Rocker Arm Shaft) 820130 Retainer (Valve Guide Bushing) 820003 Retainer (Rocker Arm Shaft) 820041 Seal-Valve 825030 Bushing-Valve Guide 820105 Screw (Rocker Arm Support) 821216 Rod-Push (Used After Code Date 04083100). ------- Note ----- 820109 Rod-Push (Used Before Code Date 04090100). Engine Gasket Set-Reference 358 Carburetor Overhaul Kit-Reference 121 Valve Gasket Set-Reference 1095 6353-7 Assemblies include all parts shown in frames. 7 03/19/2007 437400 1088 15 276B 1017 1041 1078 941 848 479 15 276B 1039 REF. 1017 1039 1041 1078 1088 952 PART NO. DESCRIPTION DESCRIPTION DESCRIPTION 825278 Plug-Oil Drain (16 mm) 820582 Sealing-Washer (Oil Drain Plug) (16 mm) 820034 Screw (Oil Pump Screen) 820069 Nut (Oil Pump Screen) 820017 Stud (Oil Pan) 820068 Nut (Oil Pan) 825089 Screen-Oil Pump 820034 Screw (Oil Pan) 820104 Gasket-Oil Strainer 820137 Gasket-Oil Pan 825285 Pan-Oil (Dual Drain) (16 mm) Engine Gasket Set-Reference 358 Carburetor Overhaul Kit-Reference 121 Valve Gasket Set-Reference 1095 6353-8 Assemblies include all parts shown in frames. 8 03/19/2007 437400 86 1173 85B 88 85 3 85A 85B 85B 85A REF. 86 88 1173 PART NO. 1173 DESCRIPTION DESCRIPTION DESCRIPTION 821071 Seal-Oil (Magneto Side) 820026 Screw (Gear Cover to Gear Reduction Case) 820029 Screw (Gear Cover to Gear Reduction Case) 820027 Screw (Gear Cover to Gear Reduction Case) 825119 Cover-Gear K820148 Gasket-Gear Reduction Cover 820069 Nut (Gear Cover) Engine Gasket Set-Reference 358 Carburetor Overhaul Kit-Reference 121 Valve Gasket Set-Reference 1095 6353-9 Assemblies include all parts shown in frames. 9 03/19/2007 437400 115 249 1024 88A 1189 88 743 1190 1191A 818 1191 REF. 818 1024 1189 1190 1191 1191A PART NO. 1189 REF. 88 88A 115 249 PART NO. DESCRIPTION REF. 743 PART NO. DESCRIPTION DESCRIPTION 820148 Gasket-Gear Reduction Cover 820155 Gasket-Gear Reduction Cover 825120 Housing-Gear 825032 Valve-Oil Relief 820615 Gear-Drive (Used After Code Date 98123100). ------- Note ----- 820121 Gear-Drive (Used Before Code Date 99010100). 820016 Stud (Oil Pump Screen) Pump-Oil (Sold in Gear Housing Only, Reference 115) 820156 Stud (Gear Housing) 820180 Screw (Oil Pump Drive Gear) 820030 Screw (Gear Housing) 820033 Screw (Gear Housing) Engine Gasket Set-Reference 358 Carburetor Overhaul Kit-Reference 121 Valve Gasket Set-Reference 1095 6353-10 Assemblies include all parts shown in frames. 10 03/19/2007 437400 1185 368 1064 415A 1062 1062 1087 49 1062 415B 1186 1063 839 1187 519 1065 1066 1065 323 1188 REF. 49 291 323 368 415A 415B 519 601 PART NO. 839 1062 1063 1064 1065 1066 1067 1068 1087 PART NO. [. . . ] 16 03/19/2007 437400 1084 3 1084A 7 20 1084B 51 276 1084C 51A 276B 1022 1095 VALVE GASKET SET 276 1084D 7 1084E 51 868 1084F 883 1022 1084G 88A 883 1041 883A 1078 1080 88 358 ENGINE GASKET SET 868 1062 1067 1065 REF. 3 7 20 51 51A 88 88A 276 276B PART NO. DESCRIPTION REF. 358 868 883 883A 1022 1041 1062 1065 1067 1078 1080 PART NO. DESCRIPTION REF. 1084 1084A 1084B 1084C 1084D 1084E 1084F 1084G 1095 PART NO. [. . . ]