Briggs & Stratton 12J800 User's Manual
Contents
1. 935 fl 1160 697 309A 510 742 937 Assemblies include all parts shown in frames 8 ILOS ERT 1236 Q w ge we L WS Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 11 30 2007 REF NO PART NO 1 697324 2 399269 3 x299819S 4 493279 4A 493365 5 691160 7 692249 8 695250 9 699833 10 691125 11 691781 12 x692232 13 690912 15 691680 691093 REF DESCRIPTION NO Cylinder Assembly 16 Kit Bushing Seal Magneto Side Seal Oil Magneto Side Sump Engine 696294 Sump Engine Used on Type No s 2327 2328 2329 Sump Engine Auxiliary PTO Head Cylinder Gasket Cylinder Head Breather Assembly Gasket Breather Screw Breather Assembly Tube Breather Gasket Crankcase Screw Cylinder Head Plug Oil Drain Square Socket Plug Oil Drain Hex Socket PART NO REF DESCRIPTION NO 691451 Crankshaft Used After Code Date 97011200 694442 Crankshaft Used Before Code Date 97011300 691450 Crankshaft Used After Code Date 97011200 Used on Type No s 0653 0818 0819 0825 0881 1324 1328 1330 1331 1337 1363 1367 1370 1371 1522 1528 1535 1787 1918 1919 1936 2372 2628 2635 2825 2919 2925 3113 3114 3131 694440 Crankshaft Used Before Code Date 970113002. Air Cleaner Primer Bracket Tank Fuel Plastic Tank Fuel Plastic 695960 Tank Fuel Plastic Used on Type No s 2327 2328 2329 Bowl Float x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 PART NO 694395 498261 691959 695951 398067 691346 696255 494256 277039 692311 DESCRIPTION Primer Carburetor Gasket Set Carburetor Key Set Key Set Touch N Mow Arrestor Spark Fan Flywheel Screw Starter Motor Kit Label 790231 Kit Label Touch N Mow Label Emissions Available From A Briggs amp Statton Authorized Dealer Operator s Manual Kit Screw Washer 696293 Kit Screw Washer Touch N Mow REF NO 1095 1119 1134 1160 1210 PART NO 498528 691648 224322 690345 498144 498144 695959 794467 270962 DESCRIPTION Gasket Set Valve Screw Alternator Washer Pawl Friction Plate Screw Interlock Switch Pulley Spring Assembly Pulley Pulley Spring Assembly Spring Starter Mechanical Touch N Mow Do Not Service Individual Parts Only As A Whole Label Warning Manual Repair Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine Assemblies include all parts shown in frames 0991 16 16 11 30 2007
3. Standard Used After Code Date 04031400 and Before Code Date 07090400 499425 Ring Set Standard Used After Code Date 97011200 and Before Code Date 04031500 493261 Ring Set Standard Used Before Code Date 97011300 795432 Ring Set 020 Oversize Used After Code Date 07090300 791324 Ring Set 020 Oversize Used After Code Date 04102100 and Before Code Date 07090400 499427 Ring Set 020 Oversize Used After Code Date 97011200 and Before Code Date 04102200 493389 Ring Set 020 Oversize Used Before Code Date 97011300 493390 Ring Set 030 Oversize Used Before Code Date 97011300 REF NO 27 PART NO 691866 28 499423 29 499424 32 691664 32A 695759 33 262651S 34 262652S 35 691270 36 691270 37 40 43 45 694086 692194 691997 690548 DESCRIPTION Lock Piston Pin Used After Code Date 97011200 691588 Lock Piston Pin Used Before Code Date 97011300 Pin Piston Standard Used After Code Date 97011200 298909 Pin Piston Standard Used Before Code Date 97011300 298908 Pin Piston 005 Oversize Used Before Code Date 97011300 Rod Connecting Standard Used After Code Date 97011200 490566 Rod Connecting Standard Used Before Code Date 97011300 Screw Connecting Rod Screw Connecting Rod Used After Code Date 00042200 Valve Exhaust Valve Intake Spring Valve Intake Spring Valve
4. Used on Type No s 1522 1528 1535 2825 692978 Crankshaft Used After Code Date 97011200 Used on Type No s 0652 0861 1961 1968 1978 690793 Crankshaft Used Before Code Date 97011300 Used on Type No s 0861 1961 693017 Crankshaft Used After Code Date 97011200 Used on Type No s 2824 694441 Crankshaft Used Before Code Date 97011300 Used on Type No s 2824 PART NO 12J800 DESCRIPTION 691452 Crankshaft Used After Code Date 97011200 Used on Type No s 0874 0875 1120 1122 1123 1166 1366 1567 1753 1754 1755 1904 1905 1917 1925 1927 1929 1974 2322 2325 2326 2327 2328 2329 2330 2366 2367 2371 2636 2816 2916 3104 3136 694059 Crankshaft Used Before Code Date 97011300 Used on Type No s 0875 1120 1166 2816 691454 Crankshaft Used After Code Date 97011200 Used on Type No s 0878 1338 2826 2926 692000 Crankshaft Used Before Code Date 97011300 Used on Type No s 2826 691455 Crankshaft Used After Code Date 97011200 Used on Type No s 1966 2818 2918 3125 691375 Crankshaft Used Before Code Date 97011300 Used on Type No s 2818 694079 Crankshaft Used on Type No s 2368 696337 Crankshaft Used on Type No s 1753 696009 Crankshaft Used on Type No s 2369 2370 Included in Carburetor Gasket Set Ref No 977 x Included in Engine Gasket Set Ref No 358
5. Wire Stop Wire Stop Wire Stop Key Drive Pulley Gasket Set Engine Flywheel Puller Screw Carburetor Washer Camshaft Wrench Spark Plug Washer Governor Crank REF NO 425A 443A 445A 455 455A 456 456A 459 459A x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 PART NO 690670 692523 491588S 791960 224250 692299 224321 281505S 492833 691991 691086 691251 795093 692358 691084 499621 692296 495265 691923 690786 492919 92613 690664 691142 398153 697734 691879 DESCRIPTION Screw Air Cleaner Cover Screw Air Cleaner Primer Base Filter Air Cleaner Cartridge Cup Flywheel Cup Flywheel Straight Side Cup Plate Pawl Friction Plate Pawl Friction Use with Spring Dog Kit Pawl Ratchet Pawl Ratchet Use with Spring Dog Kit Alternator Washer Key Switch Nut Governor Control Lever Drive Starter Clutch Drive Terminal Ground Dipstick Seal Dipstick Tube Tube Dipstick Grommet Armature Starter Washer Set Starter Motor Bolt Governor Control Lever Screw Control Cover Screw Control Cover Wire Assembly Cover Breather Passage Gasket Breather Passage REF NO 592 597 601 601A 604 604A 608 608A 613 613A 613B 615 616 PART NO 690800 691696 791850 691038 691757 691344 497680 497598 691340 691653 691114 690340 698801
6. DESCRIPTION Nut Rewind Starter Screw Pawl Friction Plate Clamp Hose Clamp Hose Cover Control Cover Control Starter Rewind Starter Rewind Screw Muffler Screw Muffler Screw Muffler Retainer Governor Shaft Crank Governor 617 270344S Seal O Ring 621 692310 633 0691321 635 635A 66538S 792597 691660 691087 493823 692294 396548 690661 224278 690345 Intake Manifold Switch Stop Seal Choke Throttle Shaft Boot Spark Plug Boot Spark Plug Screw On Style 793351 Boot Spark Plug Snap On Style Screw Starter Gear Cover Nut Key Switch Spacer Spacer Fuel Tank Deflector Muffler Screw Muffler Deflector Spacer Rewind Screw Breather Passage Cover Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine Assemblies include all parts shown in frames 0991 14 14 11 30 2007 REF NO 742 743 PART NO 691855 262625 690572 691127 691147 690959 690449 794388 93941 690516 691648 691918 691269 795095 692352 DESCRIPTION Spring Friction Spring Friction Spring Detent Screw Drive Cap Screw Stop Shaft Pin Locating Stop Shaft Gear Timing Use Without Woodruff Key Used After Code Date 07093000 790345 Gear Timing Use With
7. Included in Carburetor Overhaul Kit Ref No 121 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 9 Assemblies include all parts shown in frames 11 30 2007 9 12J8 REF NO 20 399781S Seal Oil 00 PART NO 20A 691952 22 23A 691092 691987 24 222698S 25 795429 REF NO 26 DESCRIPTION PTO Side Seal Oil PTO Side Auxiliary PTO Screw Crankcase Cover Sump Flywheel 691992 Flywheel Used on Type No s 0826 0873 0874 1552 1567 1753 1925 1931 1934 1973 1974 2805 2905 2935 4961 696291 Flywheel Used on Type No s 2327 2328 2329 Key Flywheel Piston Assembly Standard Used After Code Date 07090300 791096 Piston Assembly Used After Code Date 04031400 and Before Code Date 07090400 494058 Piston Assembly Standard Used Before Code Date 97011300 795430 Piston Assembly 020 Oversize Used After Code Date 07090300 791325 Piston Assembly 020 Oversize Used After Code Date 04102100 and Before Code Date 07040400 494060 Piston Assembly 020 Oversize Used Before Code Date 97011300 x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 PART NO DESCRIPTION 795431 Ring Set Standard Used After Code Date 07090300 791098 Ring Set
8. Rope Starter Cut To Required Length Insert Grip Grip Starter Rope 1 Piece Grip Starter Rope 2 Piece Screw Rewind Starter 690759 Screw Rewind Starter Use With Spring Dog Kit Starter Screen Rotating Screw Flywheel Guard Lock Muffler Screw Shaft Auxiliary Drive 691778 Shaft Auxiliary Drive Used on Type No s 0818 0826 1338 1340 1918 1969 690527 Shaft Auxiliary Drive Used on Type No s 1326 1550 2650 2952 3125 3126 3129 Kit Idle Mixture Screw Throttle Valve Shaft Throttle Metal 696565 Shaft Throttle Plastic PART NO 398185 493280 691623 262626 0691242 691182 494218 494870 498976 12J800 DESCRIPTION Kit Idle Speed Carburetor Kit Idle Speed Pin Shaft Drive Gear Pin Shaft For Rewind Starter Pin Float Hinge Valve Choke Shaft Choke Jet Main Standard Used After Code Date 02092900 498975 Jet Main Standard Used After Code Date 96060200 and Before Code Date 02093000 494870 Jet Main Standard Used Before Code Date 96060300 494870 Jet Main Standard Used on Type No s 2368 2369 Jet Main Standard Used After Code Date 96060200 493637 Jet Main Standard Used Before Code Date 96060300 Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on
9. your specific engine Assemblies include all parts shown in frames 0991 11 11 11 30 2007 12J800 REF PART REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION NO NO DESCRIPTION 118 497315 Jet Main 125 698444 Carburetor 133 398187 Float Carburetor High Altitude Primer System 134 398188 Kit Needle Seat Used After Code Date Used After Code Date 137 0693981 Gasket Float Bowl 02092900 96060200 144 493824 Pulley Spring Assembly 497348 Jet Main 498170 Carburetor 146 690979 Key Timing High Altitude Primer System 159 691753 Bracket Air Cleaner Used After Code Date Used After Code Date Primer 96060200 and Before 95102900 and Before 163x 0272653 Gasket Air Cleaner Code Date 02093000 Code Date 96060300 187 791766 Line Fuel 497315 Jet Main 498254 Carburetor Cut to Required High Altitude Primer System Length Used Before Code Used Before Code 187A 791873 Line Fuel Date 96060300 Date 95103000 Molded ace hee 187B 791891 Line Fuel Used on Type No s 694146 Carburetor Includes Filter 2368 2369 i Used on Type No s Used After Code Date 118A 498977 Jet Main 2368 2369 05063000 498964 Carburetor eae de Date Choke System 692042 Line Fuel Used on Type No s Includes Filter 96060200 1120 1567 Used Before Code 496063 Jet Main Date 05070100 High Altitude 690000 Carburetor 791875 Line Fuel Used Before Code Choke System Molded Date 96060300 Used on Type No s 690877 S
10. 883 691881 892 910 921 921A 921B 690646 691094 497233 695886 692932 695889 696262 790037 699984 691831 691994 795403 691919 691345 499421 691325 691738 692046 699985 12J800 DESCRIPTION Gasket Exhaust Switch Key Stud Alternator Cover Blower Housing Cover Blower Housing Cover Blower Housing 692931 Cover Blower Housing Black Cover Blower Housing Cover Blower Housing Cover Blower Housing Cover Blower Housing Spring Brake 692135 Spring Brake Used on Type No s 1987 695891 Brake Used on Type No s 1987 Cover Linkage Used After Code Date 07072200 690595 Cover Linkage Used Before Code Date 07072300 Guard Rewind Guard Rewind Switch Interlock Spline Starter Stop Rope Cap Fuel Tank Plastic Cap Fuel Tank Plastic Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine Assemblies include all parts shown in frames 0991 15 15 11 30 2007 12J8 REF NO 966A 967A 968B 969 969A 970 972 972B 00 PART NO 496116 493537S 692298 690700 691138 691681 699392 699374 493640 REF DESCRIPTION NO Base Air Cleaner Primer Filter Pre Cleaner Cover Air Cleaner Screw Blower Housing Cover Screw Blower Housing Cover Screw
11. 9 2370 3104 3128 3136 3140 691852 Spring Governor Used on Type No s 2328 2329 2330 2371 REF NO 217 222 PART NO 690354 790143 692021 693006 692150 791128 690783 691826 298090S 690798 691024 691044 691025 690126 691027 691028 x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 DESCRIPTION Spring Choke Return Bracket Control Remote Manual Friction Primer Bracket Control Remote Choke A Matic Non Compliance Bracket Control Fixed Speed 692467 Bracket Control Fixed Speed Used on Type No s 2327 2328 2329 2368 2369 3137 Bracket Control Remote Manual Friction Variable Speed And 5 Position Manual Choke Bracket Control Remote Manual Friction Variable Speed and 5 Position Manual Choke Without Stopswitch Lever Governor Control Link Lockout Filter Fuel Clamp Casing Clamp Casing Screw Casing Clamp Casing Control Wire Cut to Required Length Wire Control Cut to Required Length Nut Control Wire Casing Lever Control REF PART NO NO 276 271716 276A 280973 287 690940 300 692038 300A 494343S 300B 497681 304 493293 12J800 DESCRIPTION Washer Sealing Washer Sealing For Rewind Starter Screw Dipstick Tube Muffler Super Lo Tone Muffler Square Lo Tone Muffler Catalyst Housing Blower Compliance 493294 Housing Blower Non Compl
12. Exhaust Guard Flywheel Retainer Valve Slinger Governor Oil Tappet Valve Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine Assemblies include all parts shown in frames 0991 10 10 11 30 2007 REF NO 46 46A 50 PART NO 691449 691460 497465 51 272199S 54 691650 REF NO PART NO 691421 DESCRIPTION Camshaft Used After Code Date 96060200 492831 491889 280399S 492830 Camshaft Used Before Code Date 96060300 Camshaft Clockwise Used After Code Date 96060200 Used on Type No s 0818 1322 1331 1338 1918 1969 2850 2950 396892 281434S 393152 690837 493740 Camshaft Clockwise Used Before Code Date 96060300 Used on Type No s 2850 691221 691108 691740 691459 Camshaft 690522 Counterclockwise Used After Code Date 96060200 Used on Type No s 0826 1325 1326 1331 1333 1338 1340 1369 1550 1936 1969 2650 2851 2951 2952 2981 3125 3126 3129 Manifold Intake Gasket Intake Screw Intake Manifold 94 493765 95 691636 97 493267 x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 REF DESCRIPTION NO Housing Rewind Starter Housing Rewind Starter Spring Rewind Starter
13. FORM MS 0991 11 30 2007 REPLACES FORM MS 0991 10 31 2007 FILE IN SECT 2 OF SERVICE MANUAL 39 4 12J800 OO m F gt E OM Ne _ _ 24 8 Illustrated Parts List Model Series 12J800 TYPE NUMBERS 0628 through 6699 TABLE OF CONTENTS Alternator Air Cleaner Blower Housing Shrouds Camshaft Carburetor Controls Crankshaft Cylinder Electric Starter Electrical Engine Sump Exhaust System Flywheel Flywheel Brake Fuel Supply Governor Spring Ignition Kits Gaskets Lubrication Piston Group Rewind Starter PRINTED IN U S A COPYRIGHT by BRIGGS amp STRATTON CORPORATION All rights reserved No part of this material may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or by any information storage and retrieval system without permission in writing from Briggs amp Stratton Corporation 12J800 1319 WARNING LABEL 1058 OPERATOR S MANUAL 1330 REPAIR MANUAL 1019 LABEL KIT REQUIRED when replacing parts with warning labels affixed 635 635A 25 1095 VALVE GASKET SET 358 ENGINE GASKET SET 20 20A 51 fey YS 883 27 Il
14. crew 121 498260 Kit Carburetor 2905 Control Bracket Overhaul 694468 Plug Welch 690940 Screw e691739 Plug Welch Fuel Tank 691203 Valve Throttle 691829 Link Mechanical Governor 696564 Valve Throttle Used With Plastic Throttle Shaft 691181 Valve Throttle x Included in Engine Gasket Set Ref No 358 e Included in Carburetor Gasket Set Ref No 977 e Included in Carburetor Overhaul Kit Ref No 121 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 12 Assemblies include all parts shown in frames 11 30 2007 12 REF NO 209 PART NO DESCRIPTION 699056 Spring Governor 691833 Spring Governor Used on Type No s 1567 691835 Spring Governor Used on Type No s 1120 691291 Spring Governor Used on Type No s 1934 2935 3142 4961 691851 Spring Governor Used on Type No s 0652 0653 0818 0819 0825 0826 0861 0878 0879 1324 1328 1330 1334 1367 1370 1371 1528 1535 1717 1787 1918 1919 1930 1936 1961 1968 2372 2636 2628 2635 2805 2916 2919 3113 3114 3131 3132 3139 691292 Spring Governor Used on Type No s 0820 0873 0874 0875 0881 1123 1166 1322 1325 1329 1337 1338 1340 1363 1366 1368 1369 1522 1552 1716 1753 1755 1904 1905 1915 1926 1927 1929 1931 1973 1974 1988 2327 2366 2367 2368 236
15. iance Used on Type No s 0818 0819 0825 0826 0873 0874 0875 0880 1123 1324 1328 1330 1331 1334 1337 1367 1552 1567 1717 1753 1754 1755 1918 1919 1925 1926 1927 1931 1934 1936 1973 1974 1988 2367 2372 2805 2905 2935 3131 3136 3139 3140 4961 694092 Housing Blower Used on Type No s 2369 695892 Housing Blower Used on Type No s 1786 1987 3129 3141 696298 Housing Blower Used on Type No s 2327 2328 2329 Included in Carburetor Gasket Set Ref No 977 Included in Valve Gasket Set Ref No 1095 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine Assemblies include all parts shown in frames 0991 13 13 11 30 2007 12J800 REF NO 8 PART NO 691108 690450 690345 695550 795092 692327 690662 802574 792640 691061 02592S 690661 692390 690650 690808 692191 497316 19069 691688 691074 89838S 690272 DESCRIPTION Screw Blower Housing Shield Cylinder Screw Cylinder Shield Motor Starter Used Before Code Date 07052900 Motor Starter Used After Code Date 07052800 Bolt Starter Motor Nut Flywheel Armature Magneto Armature Magneto Screw On Spark Plug 793353 Armature Magneto Snap In Spark Plug Boot Screw Magneto Armature Plug Spark Resistor 697451 Plug Spark EMS Screw Spark Arrestor
16. lustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 2 Assemblies include all parts shown in frames 11 30 2007 N 12J800 365 Ce 118 276 PRIMER SYSTEM 125A 692 365 T D E 217 108 127 O 975 137 98 a O P zair P S 118A 276 117A 8 CHOKE SYSTEM 121 CARBURETOR OVERHAUL KIT 94 S 134 e 2762 Cal Q R O 977 CARBURETOR GASKET SET 104 gt w D 633 wC _ aie 127 O e 617 O 127A O 1630 163 f Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 3 Assemblies include all parts shown in frames 11 30 2007 3 12J800 966A 883 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 4 Assemblies include all parts show
17. n in frames 11 30 2007 4 12J800 843 188 amp 227 5624 Ne 505 615 404 267 amp 267 Ya Sig 265 amp 265A 206 268 271 f 270 269 202 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 5 Assemblies include all parts shown in frames 11 30 2007 5 12J800 1036 EMISSIONS LABEL Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 6 Assemblies include all parts shown in frames 11 30 2007 6 12J800 455A 946 Illustrations cover a range of engines Parts shown without corresponding text may not be used on your specific engine 0991 7 Assemblies include all parts shown in frames 11 30 2007 7 12J800 Ss RW TON 356A ee SS gt 474 UNS 5 e 789A A 789B 651 783A a A a 00 00 310 0991 8 334 i DY d s 910
18. out Woodruff Key Used Before Code Date 07100100 Retainer E Ring Gear Drive Clockwise Used on Type No s 0818 1322 1331 1918 2850 2950 691772 Gear Drive Counterclockwise Used on Type No s 0826 1325 1326 1333 1338 1340 1369 1550 1936 1969 2650 2851 2951 2981 3126 Screw Brake Gear Pinion 19 Teeth Srarter Drive Gear Pinion 12 Teeth Cover Starter Gear Gasket Starter Cover REF NO 789A 789B 801 802 x Included in Engine Gasket Set Ref No 358 Included in Carburetor Overhaul Kit Ref No 121 PART NO 691372 696547 690782 695267 695266 497683 499034 690664 691147 691031 691884 692047 493880S 692424 695268 697338 691155 690380 262001 DESCRIPTION Harness Wiring Used Before Code Date 00040700 Harness Wiring Used After Code Date 00040600 Cap Drive Cap End Used After Code Date 00040600 695975 Cap End Used Before Code Date 00040700 Housing Starter Used After Code Date 00040600 695975 Housing Starter Used Before Code Date 00040700 Guard Muffler Guard Muffler Screw Muffler Guard Screw Muffler Guard Seal O Ring Dipstick Tube Sleeve Lever Dipstick Tube Assembly Terminal Spark Plug Terminal Spark Plug Adapter Wire Seal Valve Seat Valve Intake Seat Valve Exhaust Bushing Valve Guide Exhaust 63709 Bushing Valve Guide Intake REF NO PART NO
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