Illustrated Parts List Model Series 305700 TYPE NUMBERS 0001 through 3033. TABLE OF CONTENTS FORM MS6008 Rev B--04/17/2014 REPLACES FORM MS--6008--09/05/2007 FILE IN SECT. 2 OF SERVICE MANUAL 305700 Air Cleaner... 5 Alternator... 6 Blower Housing... 9 Camshaft... 2 Carburetor... 4 Controls... 6 Crankshaft... 2 Cylinder... 2 Cylinder Head... 3 Electric Starter... 10 Engine Sump... 2 Exhaust System... 7 Flywheel... 8 Fuel Supply... 4 Gasket Set -Engine... 11 Gasket Set -Valve... 11 Governor Spring... 6 Ignition... 6 Intake Manifold... 5 Kit -Carburetor Overhaul... 11 Lubrication... 10 Piston, Rings, Connecting Rod... 2 Rewind Starter... 8 Shrouds... 9 Valves... 3 PRINTED IN U.S.A. COPYRIGHT by BRIGGS & 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 & Stratton Corporation.
1 2 3 29 1036 EMISSIONS LABEL 32 32 1058 OPERATOR S MANUAL 1330 REPAIR MANUAL 28 1319 WARNING LABEL 27 25 27 REQUIRED when replacing parts with warning labels affixed. 439 718 26 25A 415 26 4 20 22 12 439 15 15 1017A 1017 1024 273 479 596 8 11 706 10 16 377 28 27 572 9 616 552 276 741 552A 377A 46 552 691 614 357 1025 6008-2 Assemblies include all parts shown in frames. 04/17/2014 2
5 383 337 871 7 34 635 13 40 276E 36 35 868 40A 40 42 868 1023A 276A 1254 1023B 5A 33 40A 40 34 868 42 40A 40 7 42 1022 830 276A 1254 437 883A 871 1029 1100 192 34A 868 1022 36 35 40 1029 1100 830 192 276A 1254 13 33 40A 40 42 1026 45 45 1026 6008-3 Assemblies include all parts shown in frames. 04/17/2014 3
125 51 94 1091 130 95 125A 72 94 1091 130 95 163A 98 163A 98 97 97 108 987 807 108 231 987 807 108A 231 97A 1051 637 1416 117 105 109 255 633 1037 118 1416 142 117 105 987 807 109 633 1037 133 104 975 137 276B 955 276B 947 789B 276B 742 947A 276B 975 133 104 137 789B 276B 947 276B 975A 137 161D 276D 643 955 996 255 742 964 955 387 788 186A 276B 163A 385 628A 240 240B 527 729 187 601A 187A 601A 918 601 806944 6008-4 Assemblies include all parts shown in frames. 04/17/2014 4
1425A 1425 186A 163A 186B 161D 996 185 717 161 163 833 643 467A 968 51B 643A 467 54 996A 967 711A 445 50A 971 1004 1130 50B 122A 1416 51 122B 6008-5 Assemblies include all parts shown in frames. 04/17/2014 5
208 222 334 333 206 188 211 209 851 212 226 234 748 268 356 216 271 269 265 270 267 578A 789 789A 232 1054 507 520 359 529 227 562 278 505 DC ONLY TRI CIRCUIT 203 205 10 -- 16 AMP 474B 1059 474C 1059 474D 1059 877A 877B 877C 373 789B 351 578 878A 578 NOTE: All stators use a No. 1119 mounting screw. 526A 501A 526 501 6008-6 Assemblies include all parts shown in frames. 04/17/2014 6
300F 819C 355 863B 725 728 819A 436 300B 676 884 884 613A 300E 300D 437B 436D 677 884 613 436C 436B 883A 151 6008-7 Assemblies include all parts shown in frames. 04/17/2014 7
73 668B 74A 73A 73B 668A 608 608A 318 493 949 563 58 60 59 74A 1392 73A 57 459 515 456 455 678 563 455 1392 65 592 65A 949A 930 493 563 332 363 23 6008-8 Assemblies include all parts shown in frames. 04/17/2014 8
1036 EMISSIONS LABEL 305 304 729 729A 197 215 727 732A 732 573 37 78 879 865 506 215A 215B 215C 1334 1334A 1351 1422 1422A 1426 322 322A 349 447 638 638A 6008-9 Assemblies include all parts shown in frames. 04/17/2014 9
525 523 1017 287 842 710 988A 1017A 415 1024 524 737 273 1027 596 239 309E 988 727 1028 415 732 732A 1346 737 816 565 310B 309 510 1051 309A 310A 510 1051A 413 802A 311A 1090 797 797A 697 For Replacement Starter Order Reference 309. 6008-10 Assemblies include all parts shown in frames. 04/17/2014 10
121 CARBURETOR OVERHAUL KIT 94 1091 98 104 105 127 276B 276C 276D 633 742 807 987 1037 637 137 255 1051 358 ENGINE GASKET SET 3 9 7 7 12 20 51 51B 163 1095 VALVE GASKET SET 273 276A 524 691 868 883A 842 1022 988 1022 51B 868 276A 883A 6008-11 Assemblies include all parts shown in frames. 04/17/2014 11
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 692543 Cylinder Assembly 2 808534 Kit--Bushing/Seal (Magneto Side) 3 805101s Seal--Oil (Magneto Side) 4 843954 Sump--Engine 5 845715 Head--Cylinder (Cylinder 1) 12021300). 809200 Head--Cylinder (Cylinder 1) Date 12021400). 5A 845716 Head--Cylinder (Cylinder 2) 12021300). 809201 Head--Cylinder (Cylinder 2) Date 12021400). 7 806085s Gasket--Cylinder Head 8 808988 Breather Assembly 9 844986 Gasket--Breather 10 690751 Screw (Breather Assembly) 11 844921 Tube--Breather 806083s Tube--Breather 12 845254 Gasket--Crankcase (Steel Core) 13 692059 Screw (Cylinder Head) 15 690946 Plug--Oil Drain (External 7/16 Sq) 691680 Plug--Oil, Drain (Internal 3/8 Sq) 16 692159 Crankshaft 20 805049s Seal--Oil (PTO Side) 22 807362 Screw (Crankcase Cover/Sump) 23 841825 Flywheel 841657 Flywheel 0116, 0117, 0118, 0129, 0152. 841908 Flywheel 0001, 0020, 0125, 0131, 0142, 3032. 842514 Flywheel 0140, 1140. 842683 Flywheel 0128. 25 843952 Piston Assembly (Standard) 07122300). 843956 Piston Assembly (.020 Oversize) 07122300). 25A 843951 Piston Assembly (Standard) Date 07122400). 843958 Piston Assembly (.020 Oversize) Date 07122400). 26 843953 Ring Set (Standard) 843957 Ring Set (.020 Oversize) 27 690683 Lock--Piston Pin 28 844541 Pin--Piston 007122300). 807621 Pin--Piston Date 07122400). 29 807900s Rod--Connecting (Standard) 32 690698 Screw (Connecting Rod) 33 807681 Valve--Exhaust 34 843751 Valve--Intake 12021300). 34A 807680 Valve--Intake Date 12021400). 35 692084 Spring--Valve (Intake) 36 692084 Spring--Valve (Exhaust) 37 841309 Guard--Flywheel 40 692058 Retainer--Valve 40A 844895 Keeper--Valve 42 807683 Keeper--Valve 45 843379 Tappet--Valve 46 845649 Camshaft 50A 844034 Manifold--Intake 3020, 3032, 3033. 50B 690754 Manifold--Intake 51 691694 Gasket--Intake (Intake Manifold To Carburetor) 51B 692035 Gasket--Intake (Manifold to Head) 54 690676 Screw (Intake Manifold) 57 692086 Spring--Rewind Starter 58 66574 Rope--Starter (Cut To Required Length) 59 805957 Insert--Grip 60 808167 Grip--Starter Rope 65 691982 Screw (Rewind Starter) 65A 841441 Screw (Rewind Starter) 72 806488 Tube--Jet 73 494439 Screen--Rotating 73A 841662 Screen--Rotating 846079 Screen-- Rotating 0142. 73B 841440 Screen--Rotating 74A 841441 Screw (Rotating Screen) 6008-12 Assemblies include all parts shown in frames. 04/17/2014 12
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 78 690688 Screw (Flywheel Guard) 94 844912 Kit--Idle Mixture 842888 Shaft--Choke Date 10010700) and After Code Date 06122400). 808258 Shaft--Choke Date 06122500). 95 690718 Screw (Throttle Valve) 97 844917 Shaft--Throttle 97A 808323 Shaft--Throttle 98 807705 Kit--Idle Speed 104 844906 Pin--Float Hinge 690739 Pin--Float Hinge 105 844907 Valve--Float Needle 807706 Valve--Float Needle 108 844903 Valve--Choke 108A 690729 Valve--Choke 109 844913 Shaft--Choke 807711 Shaft--Choke 117 844910 Jet--Main (Standard) 806487 Jet--Main 118 845545 Jet--Main (High Altitude) 806634 Jet--Main (High Altitude) 121 842890 Kit--Carburetor Overhaul 122A 844920 Spacer--Carburetor 122B 690753 Spacer--Carburetor 125 844919 Carburetor (With Solenoid) 844918 Carburetor (Without Solenoid) 0001, 0020, 0110, 0120, 0125, 0131, 0134, 0135, 0136, 0137, 0140, 0142, 0149, 1136, 1140, 3020, 305700 125A 846108 Carburetor (With Solenoid) 846053 Carburetor (Without Solenoid) 0001, 0020, 0110, 0120, 0125, 0131, 0134, 0135, 0136, 0137, 0140, 0142, 0149, 1136, 1140, 3020. 127 690731 Plug--Welch 130 690732 Valve--Throttle 133 844905 Float--Carburetor 807710 Shaft--Choke 137 844908 Gasket--Float Bowl 806481 Gasket--Float Bowl 142 806635 Nozzle--Carburetor (Standard) 151 841185 Stud (Exhaust Manifold) 6008-13 Assemblies include all parts shown in frames. 04/17/2014 13
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 161 691561 Base--Air Cleaner 161D 844929 Base--Air Cleaner 845142 Base--Air Cleaner 0136, 1133, 1140, 3020, 3032, 3033. 163 692081 Gasket--Air Cleaner 163A 844931 Gasket--Air Cleaner 185 690939 Nut (Air Cleaner Base) 186A 845121 Connector--Hose 186B 845141 Connector--Hose 187 791766 Line--Fuel (Formed)(15 Inches Long)(Cut To Required Length) 791745 Line--Fuel (23 Inches Long)(Cut To Required Length) 187A 791744 Line--Fuel (Formed)(23 Inches Long)(Cut To Required Length) 791801 Line--Fuel (Formed)(7.33 Inches Long)(Cut To Required Length) 188 692062 Screw (Control Bracket) 192 807623 Adjuster--Rocker Arm 197 807163 Screw (Back Plate) 203 690923 Crank--Bell 205 692083 Screw (Bell Crank) (M5x12mm) 841552 Screw (M5x20mm) 206 691244 Nut--Governor Adjusting 208 808453 Rod--Governor Control 209 692070 Spring--Governor 692071 Spring-- Governor 0032, 0113, 0120, 0121, 0130, 0132, 0133, 0137, 0139, 0140, 0151, 1133, 1140, 3032, 3033. 690710 Spring-- Governor 0001, 0126, 0131. 691508 Spring-- Governor 0111. 692072 Spring-- Governor 0115, 0116, 0122, 0132, 0138, 0152. 211 692069 Spring--Governed Idle 212 690712 Link--Throttle 215 841183 Guide--Air (Cylinder #1) 215A 841182 Guide--Air (Cylinder #2) 215B 841317 Guide--Air (Cylinder #1) 0115, 0123, 0128. 215C 841316 Guide--Air (Cylinder #2) 0115, 0123, 0128. 216 690705 Link--Choke 222 845305 Bracket--Control 226 692075 Rod--Hand Choke 227 690236 Lever--Governor Control 231 690718 Screw (Choke Valve) 232 692073 Spring--Governor Link 234 691723 Clip--Control Rod 239 690233 Switch--Oil Pressure 240 691035 Filter--Fuel 240B 845125 Filter--Fuel 255 690737 Spacer 265 691024 Clamp--Casing 267 692083 Screw (Casing Clamp) (M5x12mm) 841552 Screw (Casing Clamp) (M5x20mm) 268 691025 Casing--Control Wire (Cut To Required Length) 269 691026 Wire--Control (Cut To Required Length) 270 691027 Nut (Control Wire Casing) 271 691028 Lever--Control 273 690681 O--Ring (Oil Pump) 276 690704 Washer--Sealing 276A 807085 Washer--Sealing 276B 806476 Washer--Sealing 276C 806477 Washer--Sealing 276D 692343 Washer--Sealing 276E 691766 Washer--Sealing 278 842122 Washer (Governor Control Lever) 287 807084 Screw (Dipstick Tube) 300B 498984s Muffler 300D 807953 Muffler 300E 807969 Muffler 300F 807752 Muffler 304 842681 Housing--Blower 305 692056 Screw (Blower Housing) 309 691564 Motor--Starter 0120, 0121. 309A Motor--Starter (Services Steel Ring Gear Only)(For Replacement Starter Motor, See Reference 309) 309E 310A 844717 Motor--Starter 690323 Screw (Starter Motor) 6008-14 Assemblies include all parts shown in frames. 04/17/2014 14
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 310B 691902 Screw (Starter Motor) (M8x20mm Sim) 311A 497608 Brush Set 318 841233 Screw (Mounting Bracket) (M6x10mm) 322 841233 Screw (Cylinder Head Cover) (M6x10mm) 322A 692067 Screw (Cylinder Head Cover) (M5x12mm) 332 690887 Nut (Flywheel) 333 845606 Armature--Magneto 334 692066 Screw (Magneto Armature) 337 792015 Plug--Spark 491055s Plug--Spark 0100, 0110, 0120, 0121, 0126, 0128, 0129, 0133, 0134, 0135, 0136, 0149, 1133. 349 690238 Nut (Cylinder Head Cover) (M6) 351 692083 Screw (Ground Terminal) 355 842122 Washer (Muffler Bracket) 356 807063 Wire--Stop 0113. 357 691483 Key--Drive Pulley 358 841188 Gasket Set--Engine 359 691077 Washer (Ground Terminal) 363 19203 Puller--Flywheel 373 691612 Nut (Ground Terminal) 377 808095 Key--Woodruff 377A 691639 Key--Timing 383 19576s Wrench--Spark Plug 385 807084 Screw (Fuel Pump) 387 808656 Pump--Fuel 413 693587 Nut (Starter Motor) 415 794903 Plug (Square Head) 436 805609 Manifold--Exhaust 436B 691502 Manifold--Exhaust 0116, 0117, 0128, 0139, 0151, 0152. 436C 691501 Manifold--Exhaust 0115. 436D 805778 Manifold--Exhaust (Wide Area Walker) 0110. 437 691902 Screw (Exhaust Manifold) 437B 692062 Screw (Exhaust Manifold) 439 692154 Seal--O Ring (Crankcase Cover/Sump) 445 394018s Filter--Air Cleaner Cartridge 841359 Filter--Air Cleaner (UL Recognized) 0128. 447 807163 Screw (Air Guide Cover) 455 841794 Cup--Flywheel 456 845219 Plate--Pawl Friction 459 845218 Pawl--Ratchet 467 691985 Knob--Air Cleaner 467A 844618 Knob--Air Cleaner 474B 592828 Alternator (DC Only) 0116, 0117, 0152. 305700 474C 696457 Alternator (9 Amp Regulated) 0110, 0118, 0133, 0134, 0136, 0139, 0149, 0151, 1133. 474D 696458 Alternator (10--16 Amp Regulated) 0032, 0100, 0111, 0112, 0113, 0115, 0120, 0121, 0122, 0123, 0126, 0128, 0129, 0130, 0132, 0135, 0137, 0138, 0150, 3032, 3033. 479 843961 Screw (Screen Oil Pump) 493 845729 Bracket--Mounting 501 845907 Regulator (3 Wire)(16 Amp) 501A 794360 Regulator (2 Wire)(9 Amp) 0110, 0118, 0139, 0149, 0151. 505 690238 Nut (Governor Control Lever) 506 807120 Screw (Carburetor Cover) 507 691972 Insulator 510 496881 Drive--Starter 515 691528 Spring--Pawl 520 691084 Terminal--Ground 523 692101 Dipstick 524 692053 Seal--Dipstick Tube 525 692093 Tube--Dipstick 526 692067 Screw (Regulator)(16 Amp) 526A 690717 Screw (Regulator)(9 Amp) 527 690423 Clamp--Tube 529 690744 Grommet 552 690701 Bushing--Governor Crank 552A 806686 Bushing--Governor Crank 562 690239 Bolt (Governor Control Lever) 563 841735 Screw (Debris Screen Guard) 6008-15 Assemblies include all parts shown in frames. 04/17/2014 15
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 565 690682 Stud (Oil Filter Adapter) 572 690686 Baffle--Breather 573 841310 Plate--Back 578 692306 Wire Assembly 578A 844547 Wire Assembly 592 690939 Nut (Rewind Starter) 596 807389 Screw (Oil Pump) 08022600). 691492 Screw (Oil Pump) Date 08022700). 601 791850 Clamp--Hose 601A 691038 Clamp--Hose 608 844821 Starter--Rewind 608A 841729 Starter--Rewind 613 690297 Screw (Muffler) 613A 691902 Screw (Muffler) 614 691550 Pin--Cotter (Governor Shaft) 616 806685 Crank--Governor 628A 806660 Screw (Fuel Pump Bracket) 633 690738 Seal--Choke/Throttle Shaft 635 692076 Boot--Spark Plug 637 690735 Washer (Throttle Shaft) 638 691551 Washer (Cylinder Head Cover) Date 03110100). 638A 690706 Washer (Cylinder Head Cover) 643 844932 Retainer--Air Filter 643A 692079 Retainer--Air Filter 668A 691500 Spacer 668B 691215 Spacer 676 795036 Deflector--Muffler 677 690661 Screw (Muffler Deflector) 678 841730 Spacer--Rewind 691 842826 Seal--Governor Shaft 697 692062 Screw (Drive Cap) 706 805484 Washer (Breather Assembly) 710 807689 Cover--Oil Filter 711A 841233 Screw (Carburetor Shield) 718 806469 Pin--Locating 725 806102 Shield--Heat 727 841313 Cover--Starter Drive 728 690297 Screw (Heat Shield) 729 690586 Clip--Wire 729A 805965 Clip--Wire 0118, 0129. 732 690688 Screw (Starter Drive Cover) 732A 841233 Screw (Starter Drive Cover) 737 690679 Screw (Oil Filter Adapter) 741 846085 Gear--Timing 742 805578 Retainer--E Ring 748 692083 Screw (Control Rod Clip) 773 690875 Retainer 788 691559 Bracket--Fuel Pump 789 698332 Harness--Wiring 789A 695050 Harness--Wiring 0122, 0123, 0126. 789B 844914 Harness--Wiring 797 693167 Nut (Brush Retainer) 797A 691029 Nut (Brush Retainer) 802A 691286 Cap--End 807 690733 Spacer--Throttle 816 690706 Washer (Oil Filter Adapter) 819A 692056 Screw (Muffler Bracket) 819C 8070847 Screw (Muffler Bracket) 830 809157 Stud--Rocker Arm 833 807084 Screw (Air Cleaner Mounting Strap/Stud) 842 691870 Seal O--Ring (Dipstick Tube) 851 493880s Terminal--Spark Plug 863B 806759 Bracket--Muffler 865 843768 Cover--Air Guide 868 691963 Seal--Valve 871 692057 Bushing--Valve Guide 877A 393814 Wire/Connector-- Alternator (DC Only) 877B 399916 Wire/Connector-- Alternator 877C 393456 Wire/Connector-- Alternator 878A 398661 Harness--Alternator 879 593789 Cover--Carburetor 883A 691613 Gasket--Exhaust 884 691956 Clamp--Muffler 918 791880 Hose--Vacuum (Cut To Required Length) 930 841490 Guard--Rewind 947 844911 Solenoid--Fuel 947 806472 Solenoid--Fuel 949 690475 Guard--Debris Screen 949A 845728 Guard--Debris Screen 955 844916 Plug--Carburetor 691511 Plug-- Carburetor 964 590799 Cap--Connector 967 272490s Filter--Pre Cleaner 968 699959 Cover--Air Cleaner 971 807084 Screw (Air Cleaner Base to Carburetor) 975 844909 Bowl--Float 975A 807715 Bowl--Float 987 691548 Seal--Throttle Shaft 6008-16 Assemblies include all parts shown in frames. 04/17/2014 16
REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 988 692063 Gasket--Oil Adapter 988A 690687 Gasket--Oil Adapter 996 844930 Shield--Carburetor 996A 691577 Shield--Carburetor 1004 841656 Duct--Air 1017 843960 Screen--Oil Pump 08022600). 1017A 690878 Screen--Oil Pump Date 08022700). 1022 806039s Gasket--Rocker Cover 1023A 691558 Cover--Rocker 1023B 691494 Cover--Rocker 1024 843959 Pump--Oil (For Replacement Sump--Engine, Order Reference 4) 08022600). Pump--Oil (Oil Pump Is No Longer Available)(See Reference 4 For Correct Replacement Sump) Date 08022700). 1025 690689 Spool--Governor 1026 691836 Rod--Push (Intake)(Steel) 691758 Rod--Push (Exhaust)(Aluminum) 1027 842921 Filter--Oil 1028 808235 Adapter--Oil Filter 1029 807323 Arm--Rocker 1036 Label--Emissions (Available from an Authorized Briggs & Stratton Service Dealer) 1037 807717 Ball--Choke Locator 1051 690736 Ring--Retaining 1051A 691124 Ring--Retaining 1054 280275 Tie--Cable 1058 279765 Operator s Manual 1059 698516 Kit--Screw/Washer 1090 496813 Retainer--Brush 1091 691515 Cap--Limiter 1095 842723 Gasket Set--Valve 1100 791959 Pivot--Rocker Arm 1119 691552 Screw (Alternator) 1130 690746 Stud (Intake Manifold) 1254 807084 Screw (Rocker Cover Stud) 1319 794467 Label--Warning 1330 272144 Repair Manual 1334 841233 Screw (Air Guide) 1334A 692067 Screw (Air Guide) 1346 492031 Valve--Oil Drain Shut Off 1351 690682 Stud (Cylinder Shield) 1392 690939 Nut (M6) (Rewind Guard) 305700 1416 809640 Cap--Carburetor 1422 691551 Washer (Air Guide) 1422A 690706 Washer (Air Guide) 1425 844712 Hose--Purge Line (Cut To Length) 0136, 1133, 1140, 1425A 3020, 3032, 3033. 845717 Hose--Purge Line (Cut To Required Length) 3033. 14226 690238 Nut (Air Guide) 6008-17 Assemblies include all parts shown in frames. 04/17/2014 17