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ECH90-146004A
Parts Manuals
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Tecumseh ECH90-146004A Parts Manuals

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Page 1
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 1 of 8 Engine Parts List #1
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Page 2
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 2 of 8 Engine Parts List #1
Ref # Part Number Qty Description
1 32965 Cylinder Assy. (2-1/2" Bore)0 2 26727 Pin, Dowel0 3 27642 Plug, Drain0
3A 27642 Plug, Drain0
4 29183 Seal, Oil0 5 29314A Valve, Intake (Standard)0 5 29315B Valve, Intake (1/32" oversize)0 6 29313B Valve, Exhaust (Standard)0 6 29315B Valve, Intake (1/32" oversize)0 7 31671 Cap, Upper valve spring0 8 31672 Spring, Valve0
9 31673 Cap, Lower valve spring0 11 33028 Crankshaft Assy.0 12 29783 Pin, Crankshaft gear0 13 27613 Gear, Crankshaft0 14 32538 Piston & Pin Assy. (Standard) (2-1/2")0 14 32548 Piston & Pin Assy. (.010 oversize)0 14 32549 Piston & Pin Assy. (.020 oversize)0 15 28986 Ring Set, Piston (Std.) (2-1/2")0 15 28987 Ring Set, Piston (.010 oversize)0 15 28988 Ring Set, Piston (.020 oversize)0 16 20381 Ring, Piston pin retaining0 17 30963B Rod Assy., Connecting0 18 26706 Bolt, Connecting rod0 19 28594 Dipper, Oil0 20 27573 Nut, Connecting rod bolt0 21 31317 Camshaft (No compression release)0 22 27241 Lifter, Valve0 23 30941D Cover, Cylinder0 24 30256 Seal, 0il0 25 27625 Plug, Oil filler0 26 29673 Gasket, Filler plug0 27 27677 Gasket, Cylinder cover0 28 30564 Screw0 29 30981 Bushing, Crankshaft0 30 650168 Washer, Flat0 30 650675 Washer, Flat0
31 650489 Screw0 32 29953B Gasket, Cylinder head0 33 30579 Head, Cylinder0 34 26073 Washer, Connecting rod bolt0 35 6021 Screw0 35 650694 Screw, Hex hd. cap, 5/16-18 x 20 35 650695 Screw, Hex hd. cap, 5/16-18 x 2-1/4 (Grade 80 37 33636 Plug, Spark (Champion J-8 or equivalent)0 38 31619 Gasket, Breather cover0 39 31337 Breather Assy.0 40 31410 Element, Breather0 42 650128 Screw0 45 26754 Gasket, Exhaust0 47 650664 Screw, Phil. fil. hd. Sems, 1/4-20 x 1-19/320 48 30646 Screw, Phil. fil. hd. Sems, 1/4-20 x 1-3/80 48 650517 Screw, Fil. flex hd. self-locking, 1/4-20 x0 48 650664 Screw, Phil. fil. hd. Sems, 1/4-20 x 1-19/320 50 650708 Washer, Flat 5/16"0 50 8303 Lockwasher0 53 650152 Screw0
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Page 3
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 3 of 8 Engine Parts List #1
Ref # Part Number Qty Description
53 650684 Screw, Fil. hd mach., 8-32 x 5/160 64 30658 Baffle, Blower housing0 65 30200 Screw0 65 650561 Screw0 66 31345 Plate, Identification0 67 29309 Stud, Drive0 68 650548 Screw, Hex washer hd., 8-32 x 5/160 69 29212 Screw0 70 30655A Housing, Blower0 71 650490 Washer, Belleville0 72 650607 Nut, Flywheel0 73 29716 Screw0 74 16645 Lockwasher0 75 30747 Clip, Shorting0
76 30596 Decal, Name & H.P. (2-1/4 H.P.)0 76 30597 Decal, Name & H.P. (3 H.P.)0 76 30612 Decal, Name & H.P. (3-1/2 H.P.)0 76 30631 Decal, Name & H.P. (2-1/2 H.P.)0 76 31328 Decal, Name & H.P, (4 H.P.)0
78 27272 Gasket, Air cleaner0 83 650163 Screw, Fil. hd. Sems, 10-32 x 7/80 83 650399 Screw, Phil. fil. hd. Sems, 10-32 x 5/80 83 650709 Screw0 83 28820 Screw0 84 30564 Screw0 84 6201 Screw0 84 6202 Screw0 84 650551 Screw, Hex hd. cap, 1/4-28 x 1-1/40 87 32544 Gasket, Carburetor (1/8 thick)0 88 32968 Bracket, Boden wire0 89 29752 Nut0 90 31432 Bracket, Speed limit0 91 27793 Clip, Conduit0 92 28942 Screw0 95 28277 Washer, Flat0
106 30574 Shaft, Mechanical governor0
107A 30590A Washer, Flat0
108 29193 Ring, Retaining0 110 28212 Spacer0
111A 32661 Bracket, Upper fuel tank0
113 30688 Screw, Hex hd. Sems, 1/4-20 x 1/20 113 650306 Screw, Hex hd. cap, 1/4-20 x 1/20 113 650561 Screw0 114 32660 Tank Assy., Fuel (Charcoal Poly) (1 qt.)0 115 26027 Cap, Fuel filler (Special bayonet type)0 115 30998B Cap, Fuel filler (Red Plastic) (Sno Proof)0 115 32387A Cap, Fuel filler (Charcoal Plastic) (Spurt0 115 33032 Cap, Fuel filler (Red Plastic) (Spurt0 115 410144B Cap, Fuel filler (White Plastic) (Std.)0 116 650556 Screw0 116 650665 Screw0
116 650697 Screw, Hex hd. cap, 5/16-18 x 2-1/20 117B 29683 Strainer & Shut-off0 117B 32961 Valve, Fuel shut-off0
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Page 4
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 4 of 8 Engine Parts List #1
Ref # Part Number Qty Description
117 28837 Strainer & Fitting0
118 29774 Line, Fuel (Braided 8.25")0
118 30705 Line, Fuel (Braided 16")0
118 30962 Line, Fuel (Braided 32")0 119A 31778 Spring, Coil0
119 28819 Spring, Fuel line0
120 650128 Screw0
121 29745 Extension, Blower housing0
126 30322 Nut & Lockwasher0
129 27247 Key, Flywheel0
130 32576 Seal, Snow guard0
131 31680 Guard, Starter0
132 31875 Baffle, Heat0
133 28763 Screw, Hex washer hd. thread-forming, 10-240
137 31373 Spacer, Carburetor0
155 32664 Baffle, Heat0
161 31714 Decal, Instruction0
161 32851 Decal, Instruction0
161 33320 Decal, Instruction Spec. Nos. 25205H, 212H,0
166 33356 Terminal, Ground0
167 29117 Screw0
167 30688 Screw, Hex hd. Sems, 1/4-20 x 1/20
167 650561 Screw0
167 650643 Screw0
168 27675 Nut, Conduit0
176 650116 Nut, Lock0
177 610118 Cover, Spark plug0
178 30200 Screw0
179 28539 Ring, Retaining (All ball bearing models)0
180 28537 Washer, Flat0
181 28458 Bearing, Ball All ball bearing models except0
183 31861 Clip, Shorting0
184 29443 Clip, Fuel line0
185 31335 Clamp, Governor lever0
203 30865 Link, Bellcrank0
204 27275 Clip, Hi-tension wire0 209A 32187 Decal, Super-start0
209 32179 Decal, Super-start0
213 30595 Decal, Ezee-start0
214 650518 Lockwasher, No. 100
216 730127 Cleaner Assy., Air (Poly)0
217 730512 Kit, Pre-cleaner0
218 31668 Bag, Pre-cleaner0
219 31667 Spring, Pre-cleaner bag0
221 26460 Clamp, Fuel line0
222 30980 Bushing, Crankshaft0
231 30968 Nipple, Oil (2-1/2")0
231 32678 Nipple, Oil drain0
232 30969 Cap, Oil drain0
233 28250 Decal, H.P. (3 H.P.)0
233 30077 Decal, H.P. (3-1/2 H.P.)0
233 31427 Decal, H.P. (2-1/2 H.P.)0 234A 590416 Cup, Starter0
234 590417 Screen, Starter cup0
235 28942 Screw0
235 30200 Screw0
238 28545 Grommet, Plastic0
243 30879 Bracket, Toggle switch0
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Page 5
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 5 of 8 Engine Parts List #1
Ref # Part Number Qty Description
244 610164 Switch, Toggle0
257 631021 Inlet Needle, Seat & Clip Assy.0
259 30547A Contact Assy., Breaker0
260 30548A Condenser0 261A 631593 Carburetor0
262 610690A Magneto, Tecumseh0
263 590420 Starter, Rewind0
264 33233 Gasket Set0
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Page 6
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 6 of 8 Engine Parts List #2
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Page 7
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 7 of 8 Engine Parts List #2
Ref # Part Number Qty Description
36 8269 Washer0 45A 30188 Gasket, Intake pipe0 46A 32966 Pipe, Upper intake0 48A 650451 Screw0
49 32967 Pipe, Lower intake0
51 650454 Screw, Fil. flex hd. 1/4-20 x 3/40
52 31340 Gasket, Intake pipe0
56 30081 Gasket, Exhaust0
57 28942 Screw0
57 30091 Screw, Hex slotted washer hd., 8-32 x 1/20
57 30200 Screw0
68 650548 Screw, Hex washer hd., 8-32 x 5/160
77 31545 Cleaner Assy., Air0
78 27272 Gasket, Air cleaner0 80C 450150 Spring, Pre-cleaner0 80D 450124 Bag, Pre-cleaner0 81C 32972 Cleaner, Air0 82A 29962 Screen, Air cleaner0
82 32973 Clamp, Corbin0
83 650163 Screw, Fil. hd. Sems, 10-32 x 7/80
83 650399 Screw, Phil. fil. hd. Sems, 10-32 x 5/80
83 650709 Screw0
83 28820 Screw0
84 30564 Screw0
84 6201 Screw0
84 6202 Screw0
84 650551 Screw, Hex hd. cap, 1/4-28 x 1-1/40
85 28564 Spring, Compression0
85 31342 Spring, Compression0
85 32924 Spring, Compression0
86 29500 Screw, Fil. hd. mach., Sems, 8-32 x 3/40
86 650549 Screw0
86 650688 Screw, Hex hd., 10-32 x 1-5/16" (Drilled0
87 32544 Gasket, Carburetor (1/8 thick)0
89 29752 Nut0
91 27793 Clip, Conduit0
92 28942 Screw0
101 9577 Nut, Wing, 10-240 102 30083 Plate, Locking0
103F 33288 Muffler0
103 30996 Muffler0 104 27182 Screw, Hex hd. cap, 1/4-20 x 3-3/80 104 650253 Screw, Hex hd. cap, 1/4-20 x 2-1/40 104 650327 Screw, Fil slotted hd. Sems, 114-20 x 2-1/20 104 650493 Screw, Hex hd. Sems, 1/4-20 x 1-3/40 104 650561 Screw0 104 650599 Screw, Hex hd. cap, Sems, 1/4-20 x 1-1/20 104 650795 Screw, Hex hd. cap, Sems, 1/4-20 x 2-5/160
105A 33172 Cover, Muffler0
105 33171 Screen, Muffler0 105B 650578 Screw0 117A 28584 Strainer & Elbow0
118 29774 Line, Fuel (Braided 8.25")0
118 30705 Line, Fuel (Braided 16")0
118 30962 Line, Fuel (Braided 32")0
134 650163 Screw, Fil. hd. Sems, 10-32 x 7/80
135 650520 Screw0
135 650544 Screw, Pan flex hd., 10-24 x 7/80
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Page 8
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
ECH90-146004A Page 8 of 8 Engine Parts List #2
Ref # Part Number Qty Description
136 27183 Washer, Fiber0
136 31905 Washer, Paper0 138A 24522 Control, Throttle0
138 30985 Control, Throttle0
139 28454 Screw0 140B 8274 Lockwasher0 140A 30516 Housing, Reducer0
140 28451 Gasket, Housing0
141 30517A Gasket, Reduction cover0
143 30518 Cover, Housing (All 6:1 gear reduction0
144 9556 Plug, Oil drain (Sq. hd. pipe, 1/8-27)0
145 24590 Plug, Pipe0
146 30564 Screw0
148 32714 Pin, Shaft & Gear (All 6:1 gear reduction0
149 28508 Plug, Expansion0
150 30256 Seal, 0il0
154 650561 Screw0
158 650163 Screw, Fil. hd. Sems, 10-32 x 7/80
162 730136A Control Assy., Mini Bike Speed0
169 33127 Bracket, Muffler0
170 31874 Baffle, Heat0
171 650665 Screw0
172 30997 Cover, Muffler0
193 730162 Kit, Muffler Adapter0
215 730510 Kit, Pre-cleaner0
220 31266 Spacer, Strip0
221 26460 Clamp, Fuel line0
224 650687 Screw, Pan hd. self-tap, 10-32 x 5/160
228 650257 Screw, Pan hd. Sems, 8-32 x 5/160
229 31291 Plug, Cover0
230 32410 Knob, Speed control0
236 32399 Spring, Choke knob0
237 32400 Knob, Choke0
241 32397 Plate Assy., Choke0
242 650571 Screw, Flat trim hd. mach. , 10-32 x 7/160
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