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FORM MS10054--02/01/2011
REPLACES FORM MS10054--09/23/2010
FILE IN SECT. 2 OF SERVICE MANUAL
12S900
IllustratedPartsList
ModelSeries
12S900
TYPE NUMBERS
0100 through 2732.
TABLEOFCONTENTS
AirCleaner ......................... 8
Alternator .......................... 11
BlowerHousing..................... 5
Camshaft ........................... 2
Carburetor.......................... 9
CarburetorOverhaulKit ............. 9
Controls ............................ 10
Covers/Guards...................... 5
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12S900 1376 1375 1319 WARNING LABEL 1430 615 REQUIRED when replacing parts with warning labels affixed. 404 1264 1263 1036 EMISSIONS LABEL 1058 OPERATOR’S MANUAL 616 1 1330 REPAIR MANUAL 3 28 29 718 32 16 27 24 32A 32A 25 46 741 26 43 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--2 Assembliesincludeallpartsshowninframes. 02/01/2011 2 Not for Reproduction
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12S900 5 883A 883 886 7 33 993 40 34 718 868 40 1034 36 35 238 51 1022 1029 623 192 163 830 1023 1022 45 13 337 383 1026 635 914 1095 VALVE GASKETSET 883 883A 7 868 993 51 623 1022 163 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--3 Assembliesincludeallpartsshowninframes. 02/01/2011 3 Not for Reproduction
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12S900 358 ENGINE GASKETSET 718 842 4 1430 524 12 3 883 883 12 883A 15 20 7 20 993 868 51 623 1022 22 163 718 4B 17 1027 737 1028 12 988 1055 15 20 1024 22 965 943 750 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--4 Assembliesincludeallpartsshowninframes. 02/01/2011 4 Not for Reproduction
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12S900 608 58 60 73 969 304 921 925 1335 304A 668 1212 332 668A 1212A 455 1212B 332 1005 75 363 23 23B 78 78 78 37A 37B 37 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--5 Assembliesincludeallpartsshowninframes. 02/01/2011 5 Not for Reproduction
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12S900 847 523 842 525 524 972 957 240 187 601 1059 187A 670 601 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--6 Assembliesincludeallpartsshowninframes. 02/01/2011 6 Not for Reproduction
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12S900 837 300 883 883A 81 676 832 613 677 836 837 300A 883 81 832A 613 836 676A Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--7 Assembliesincludeallpartsshowninframes. 02/01/2011 7 Not for Reproduction
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12S900 968 967 11 11 445 875 564 163 604 627 1395 497 347 564A 265 267 11 536 163 347A 1395A 535 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--8 Assembliesincludeallpartsshowninframes. 02/01/2011 8 Not for Reproduction
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12S900 202 216A 216 122 51 125 623 217 51 623 163 134 365 133 104 975 137 276 118 117 276 276 121 CARBURETOR OVERHAULKIT 51 134 623 104 137 163 276 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--9 Assembliesincludeallpartsshowninframes. 02/01/2011 9 Not for Reproduction
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12S900 209 745 923 222 621 922 621 843 265 269 267 270 268 271 202 227 505 562 291A 291 216A 216 216 883 883 883A Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--10 Assembliesincludeallpartsshowninframes. 02/01/2011 10 Not for Reproduction
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12S900 1212B 1119 474 309 937 910 742 789 789A 697 356 621 1212 356F 334 333 383 851 365 337 356G 635 333A 356H 347A 851A 365 627 356C 635A 356B 347 Illustrationscoverarangeofengines.Partsshownwithouttextmaynotbeusedonyourspecificengine. 10054--11 Assembliesincludeallpartsshowninframes. 02/01/2011 11 Not for Reproduction
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 798947 Cylinder Assembly 16 796467 Crankshaft 23 796619 Flywheel 3 299819S Seal--Oil Used on Type No(s). (Aluminum) (Magneto Side) 0123, 0139, 0142, Used on Type No(s). 4 493279 Sump--Engine 0143, 0145, 0148, 0100, 0124, 0126, Used on Type No(s). 1411, 1463, 1473, 0127, 0129, 0132, 0100, 0124, 0126, 2139, 2411, 2463. 0134, 0135, 0136, 0127, 0128, 0129, ------------ Note ------------ 0137, 0140, 014
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 26 797304 Ring Set 37A 796534 Guard--Flywheel 40 692194 Retainer--Valve (Standard) Used on Type No(s). 43 796650 Slinger--Governor/Oil Used on Type No(s). (Used After Code Date 0100, 0121, 0122, 09041900). 0123, 0124, 0126, 0100, 0121, 0122, ------------ Note ------------ 0128, 0129, 0135, 0123, 0124, 0126, 796641 Ring Set 0137, 0139, 0140, 0127, 0128, 0129, (Standard) 0141, 0142, 0143, 0130, 0135, 0
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 45 690977 Tappet--Valve 81 691740 Lock--Muffler Screw 118 494870 Jet--Main 46 694039 Camshaft 104 797622 Pin--Float Hinge (High Altitude) Used on Type No(s). Used on Type No(s). 117 697355 Jet--Main 0100, 0121, 0122, (Standard) 0100, 0121, 0122, 0123, 0124, 0126, Used on Type No(s). 0123, 0124, 0126, 0127, 0128, 0129, 0100, 0121, 0122, 0127, 0128, 0129, 0130, 0135, 0139, 0123, 0124, 0126, 0130, 0132,
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 122 796595 Spacer--Carburetor 192 796631 Adjuster--Rocker Arm 216A 798944 Link--Choke 125 796608 Carburetor 202 796657 Link--Mechanical Used on Type No(s). Used on Type No(s). Governor 0155, 0158, 0159, 0100, 0121, 0122, 209 793604 Spring--Governor 0160, 0163. 0123, 0124, 0126, Used on Type No(s). 217 798900 Spring--Choke Return 0127, 0128, 0129, 0121, 0122, 0123, ------------ Note ------------ 0130,
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 291 796486 Thermostat 304 796692 Housing--Blower 304A 798333 Housing-- Blower Used on Type No(s). (Rewind Start) (Electric Start) Used on Type No(s). 0100, 0121, 0122, Used on Type No(s). 0123, 0124, 0126, 0100, 0121, 0122, 0141, 1411, 1463, 0127, 0128, 0129, 0123, 0124, 0126, 1473. 0130, 0132, 0134, 0128, 0129, 0135, ------------ Note ------------ 0135, 0136, 0137, 0137, 0139, 0140, 799249 Housing--
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 309 799241 Motor--Starter 333 796499 Armature--Magneto 337 692051 Plug--Spark Used on Type No(s). Used on Type No(s). Used on Type No(s). 0100, 0121, 0122, 0153, 0156, 0161, 0100, 0124, 0126, 0162, 1564, 2127, 0127, 0129, 0132, 0123, 0126, 0127, 2141, 2144, 2145, 0134, 0135, 0136, 0129, 0132, 0139, 2411, 2463, 2732. 0137, 0140, 0141, 0141, 0142, 0143, ------------ Note ------------ 0144, 0146, 0149,
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 356 692390 Wire--Stop 445 795066 Filter--Air Cleaner 564A 799026 Screw Used on Type No(s). (Control Cover) Cartridge 0100, 0124, 0126, Used on Type No(s). 455 796615 Cup--Flywheel 0127, 0128, 0129, 0155, 0158, 0159, Used on Type No(s). 0132, 0134, 0135, 0160, 0163. 0121, 0122, 0123, 0136, 0137, 0139, 601 791850 Clamp--Hose 0128, 0139, 0142, 0140, 0141, 0144, 604 799024 Cover--Control 0143, 0145, 0148
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 697 691127 Screw 750 691147 Screw 847 796501 Dipstick/Tube (Drive Cap) (Oil Pump Cover) Assembly Used on Type No(s). Used on Type No(s). 851 493880S Terminal--Spark Plug 0127, 0130, 0132, 0132, 0134, 0136, 851A 692424 Terminal--Spark Plug 0134, 0136, 0141, 0137, 0144, 0146, 868 795440 Seal--Valve 0144, 0146, 0149, 0149, 0152, 0153, 875 796492 Base--Air Cleaner 0153, 0156, 0161, 0154, 0156, 0161, 883
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12S900 REF. PART REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION 925 796531 Cover--Linkage 972 796489 Tank--Fuel 1028 796522 Adapter--Oil Filter (EVAP) Used on Type No(s). Used on Type No(s). ------------ Note ------------ 0132, 0134, 0136, 0121, 0122, 0123, 798336 Tank--Fuel 0137, 0144, 0146, 0128, 0130, 0139, (EVAP) 0149, 0152, 0153, 0142, 0143, 0145, (With Gage) 0154, 0156, 0161, 0148, 0150, 0151, Used on Type No(s). 0162, 2144, 2145. 0155, 0158, 0159, 0141, 21
