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FORM MS −0990 −07/01/2008
REPLACES FORM MS −0990 −05/08/2008
FILE IN SECT. 2 OF SERVICE MANUAL
12H800
Illustrated Parts List
Model Series
12H800
TYPE NUMBERS
0652 through 6699.
TABLE OF CONTENTS
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Housing/Shrouds . . . . . . . . . . . . 6
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . .
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12H800 1319 WARNING LABEL 1058 OPERATOR’S MANUAL 1330 REPAIR MANUAL 1019 LABEL KIT REQUIRED when replacing parts with warning labels affixed. 1 584 8 2 3 718 10 9 306A 306 585 684 307 45 40 7 847 36 523 45 33 40 869 11 13 5 35 870 842 868 50 54 871 34 337 287 51 635 525 25 27 383 16 635A 24 374 1095 VALVE GASKET SET 524 9 46A 46 26 7 29 715 28 146 32A 721 43 374 741 883 32 27 101 358 ENGINE GASKET SET 743 20 3 1102 22 83 20A 4 4A 7 51 12 163 12 524 9 585 617 12 668 15A 842 15 15 20A 20 20 883 Il
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12H800 125A 125 97 97 692 365 163 163 365 108 633 633 98 127 127 109A 130 130 134 95 134 95 617 94 633A 217 617 133 133 98 104 104 975 975 137 94 137 109 217 118 276 118A 633 276 276 117 276 276 117A 276 PRIMER SYSTEM CHOKE SYSTEM 125B 109B 97 633A 633 121 CARBURETOR OVERHAUL KIT 163 108A 276 134 94 231 127 617 104 137 633 130 127 633A 134 163 617 133 104 977 CARBURETOR GASKET SET 975 633 276 137 137 633A 617 163 118B 276 117B 276 276 AUTOCHOKE SYSTEM Illustrations cover a range of engines. Part
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12H800 425A 968B 966A 159 967A 966B 445A 443A 970 163 976 976 529 163 529 291 1386 1388 1387 883 300 300A 300B 883 81 81 81 613A 613 613B 836A 832 832A 832B 836 836 836B 836 676 676A 676B 832E 836C 677 677 677 676C 994 677 346 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 0990 −4 Assemblies include all parts shown in frames. 07/01/2008 4
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12H800 972 972B 957B 957A 930 1059 957 957A 190 670 957B 187 187A 187B 187C 958 601A 601 601 601 601 601A 240 843A 843 188 222 222A 222B 222C 621 621 621 227 98A 562 668 668 668 668 505 222D 222E 202 615 404 616 209 209A 209B 668 668 268 267 267 270 271 265 265A 265B 269 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 0990 −5 Assemblies include all parts shown in frames. 07/01/2008 5
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12H800 969 969A 969 921 921J 921E 921A 969A 969 969A 921K 921F 969 969A 969A 921B 921N 921G 969A 969A 969 921P 921C 921H 969A 564A 564B 564B 604A 604 604C 604B 921R 564 564B 37 969A 78 604D 304 921U 305 1036 EMISSIONS LABEL 925 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 0990 −6 Assemblies include all parts shown in frames. 07/01/2008 6
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12H800 333 1119 333A 892 500 356 664 851A 474 334 851 356A 635A 990 935 356B 910 627 356D 347 1160 259 497 356F 923A 922A 507 745 940 236 356H 520 923 923B 922 359 621 922A 990A 373 621 789A 332 455 608 946 65 789B 55 592 1236 58 1005 1211 60 1009 363 1210 309 510 742 23A 937 459 783 689 651 784 456 697 785 597 783A 309A 513 510 742 986 937 783 801 545 651 784 544 785 783A 513 803 310 930A 853 930 802 853 Illustrations cover a range of engines. Parts shown without corresponding text may not be
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 697322 Cylinder Assembly 5 691160 Head −Cylinder 12 692232 Gasket−Crankcase 2 399269 Kit−Bushing/Seal 7∅692249 Gasket−Cylinder Head 13 690912 Screw (Magneto Side) 8 495786 Breather Assembly (Cylinder Head) 3 299819S Seal −Oil 9∅699833 Gasket−Breather 15 691680 Plug −Oil Drain (Magneto Side) 10 94650 Screw (Square Socket) 4 493279 Sump −Engine (Breather Assembly) 15A 691093 Plug −Oil Drain −−−−−
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 16 691451 Crankshaft 691452 Crankshaft 691455 Crankshaft (Used After Code Date (Used After Code Date (Used After Code Date 97011200). 97011200). 97011200). −−−−−−− Note −−−−− Used on Type No(s). Used on Type No(s). 694442 Crankshaft 0664,0665,0666,0670, 1149,1548,1701,1925, (Used Before Code 0671,0672,0680,0840, 2312,2313,2314,2315, Date 97011300). 0866,0868,0873,0877, 2316,2324,2328,2352, 691450 Cra
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 20 399781S Seal −Oil 25 795429 Piston Assembly 26 795431 Ring Set (PTO Side) (Standard) (Standard) 20A 691952 Seal −Oil (Used After Code Date (Used After Code Date 07090300). 07090300). (PTO Side) −−−−−−− Note −−−−− −−−−−−− Note −−−−− (Auxilliary PTO) 791097 Piston 791098 Ring Set 22 691092 Screw Assembly (Standard) (Crankcase Cover/ (Standard) (Used After Code Date Sump) (Used After Code Date 0403
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 28 499423 Pin −Piston 46 691449 Camshaft 81 691740 Lock −Muffler Screw (Standard) (Used After Code Date 83 691778 Shaft−Auxiliary Drive (Used After Code Date 96060200). Used on Type No(s). 97011200). −−−−−−− Note −−−−− 0679, 0823, 1923, −−−−−−− Note −−−−− 492830 Camshaft 1947, 1949, 1989. 298909 Pin −Piston (Used Before Code −−−−−−− Note −−−−− (Standard) Date 96060300). 690527 Shaft−Auxiliary (Used B
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 117 494870 Jet−Main 121 498260 Kit−Carburetor 127 694468 Plug −Welch (Standard) Overhaul 130 691203 Valve −Throttle −−−−−−− Note −−−−− 125 498170 Carburetor −−−−−−− Note −−−−− (Primer System) 497466 Jet−Main 696564 Valve −Throttle −−−−−−− Note −−−−− (Standard) (Used With Plastic 498254 Carburetor Used on Type No(s). Throttle Shaft) (Primer System) 1538. 133 398187 Float −Carburetor Used on Type No(s
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 209 691864 Spring −Governor 209B 691851 Spring −Governor 691292 Spring − Used on Type No(s). −−−−−−− Note −−−−− Governor 2329. 699056 Spring − Used on Type No(s). 0658,0840,0866,0868, −−−−−−− Note −−−−− Governor 0873,0878,1150,1166, 690242 Spring − Used on Type No(s). 1171,1320,1365,1366, Governor 0652,0656,0661,0662, 1367,1371,1372,1375, Used on Type No(s). 0822,0824,0828,0837, 1376,1379,1520,1559,
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 217 690354 Spring −Choke Return 227 690783 Lever −Governor 291 790830 Thermostat 222 790143 Bracket −Control Control 300 692038 Muffler (Remote/Manual 231 691636 Screw (Super Lo Tone) Friction)(Primer) (Choke Valve) −−−−−−− Note −−−−− 222A 692021 Bracket −Control 236 691826 Link −Lockout 790828 Muffler (Remote, 240 298090S Filter −Fuel Used on Type No(s). Choke A Matic, 259 691223 Bracket −Casing C
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 304 493293 Housing −Blower 696298 Housing − 695892 Housing − −−−−−−− Note −−−−− Blower Blower 493294 Housing − Used on Type No(s). (Used After Code Date Blower 1375, 1376, 1379, 06081300). Used on Type No(s). 1717, 1718, 1719, Used on Type No(s). 0666, 0667, 0868, 1730, 1731, 1732, 0680, 1737, 1749, 0878, 1149, 1150, 1735, 1754, 1781, 1782, 1818, 1820, 1167, 1171, 1369, 1792, 1809, 1811, 1917, 1966,
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 305 691108 Screw 333A 792640 Armature −Magneto 356 692390 Wire −Stop (Blower Housing) (Screw On Spark Plug 356A 690650 Wire −Stop 306 690450 Shield −Cylinder Boot) 356B 693010 Wire −Stop 306A 790836 Shield −Cylinder −−−−−−− Note −−−−− 356D 496381 Wire −Stop 307 690345 Screw 793353 Armature − 356F 494250 Wire −Stop (Cylinder Shield) Magneto 356H 690791 Wire −Stop 309 695550 Motor −Starter (Snap In Spa
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 529 691923 Grommet 613 691340 Screw 664 691087 Nut 544 690786 Armature −Starter (Muffler) (Key Switch) 545 492919 Washer Set −−−−−−− Note −−−−− 668 493823 Spacer (Starter Motor) 790833 Screw 670 692294 Spacer −Fuel Tank 562 92613 Bolt (Muffler) 676 396548 Deflector −Muffler (Governor Control Used on Type No(s). (Louvered) Lever) 1706, 1738, 1739, 676A 393756 Deflector −Muffler 564 690664 Screw 1748,
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 783 691918 Gear −Pinion 847 692047 Dipstick/Tube 923 691994 Brake 783A 691269 Gear −Pinion Assembly 923A 695891 Brake 784 795095 Cover −Starter Gear 851 493880S Terminal −Spark Plug −−−−−−− Note −−−−− 695891 Brake 785 692352 Gasket−Starter Cover 851A 692424 Terminal −Spark Plug (Used Before Code 789A 691372 Harness −Wiring 853 695268 Adapter −Wire Date 08050100). (Used Before Code 868 697338 Seal −Va
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12H800 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 925 795403 Cover −Linkage 972 699392 Tank −Fuel 1095 498528 Gasket Set −Valve (Used After Code Date (Plastic) 1102 691266 Pilot −Guide 07072200). 972B 699374 Tank −Fuel Used on Type No(s). −−−−−−− Note −−−−− (Plastic) 1167, 1715, 2367, 690595 Cover − −−−−−−− Note −−−−− 2673. Linkage 699387 Tank −Fuel −−−−−−− Note −−−−− (Used Before Code (Plastic) 691255 Pilot −Guide Date 07072300). Used on Type No(s)
