Illustrated Parts Manual Tillers / Cultivators MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 Printed In USA Form No.
To The Owner Thank you for purchasing an MTD Tiller/Cultivator. It was carefully engineered to provide excellent performance when properly operated and maintained. All information in this manual is relative to the most recent product information available at the time of printing. Please be aware that this Illustrated Part’s Manual may cover a range of product specifications for various models. Components listed and/or illustrated in this manual may not be applicable to all models.
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Model Series 200 9 11 60 58 62 12 63 54 10 61 9 59 39 66 55 1 8 64 14 67 69 57 65 7 56 4 68 12 6 15 5 45 47 16 17 39 44 43 13 42 46 41 40 2 4 3 38 39 18 36 19 53 49 37 50 38 9 35 21 19 48 32 33 50 22 23 24 25 28 51 52 51 31 30 29 71 9 34 26 27 4 20 70
Model Series 200 Ref. Part Number Description Ref. Part Number Description 1 749-04282 Upper Handle 36 721-04157 Gasket 2 720-04072A Star Handle Knob 37 686-04072 Depth Stake Assembly 3 749-04281 Lower Handle 38 710-1007 TT Screw: 3⁄8-16:1.50 4 710-04398 Flange Screw: 5⁄16-18:7.
Model Series 300 10 4 1 6 10 9 11 7 2 13 3 5 12 6 2 8 14 46 15 16 47 36 17 19 18 20 27 28 33 35 26 29 32 34 30 25 45 24 22 31 21 40 35 28 23 37 38 39 28 41 25 21 42 43 44 6
Model Series 300 Ref. Part Number Description Ref. Part Number Description 1. 912-0442 Acorn Lock Nut, 1⁄4-20 25. 911-0415 Clevis Pin 2. 936-3020 Flat Washer, .271” x.630” 26. 710-0805 Hex Bolt, 5⁄16-18 x 1.5” 3. 720-0270A Reverse Handle Grip 27. 710-0189 Hex Bolt, 5⁄16-18 x 3” 4. 731-1600 Handle Cover w/o throttle 28. 736-0242 Bell Washer, .340” x .872” 5. 710-0779A Truss Machine Screw, #10 x 1⁄2” 29. 711-1036A Hex Nut 6. 720-0274 Handle Grip 30.
Model Series 300 23 24 22 22 42 12 28 3 21 25 43 27 29 26 30 10 33 31 32 34 36 10 7 20 13 35 39 5 44 6 9 10 37 37 8 38 6 7 11 4 40 41 45 46 2 17 14 3 19 18 15 16 8 1
Model Series 300 Ref. Part Number Description Ref. Part Number Description 1. 712-0392 Hex L-Stop Nut, 1⁄4-28 23. 950-0892 Spacer, .64” x 2.4” 2. 936-3020 Flat Washer, 266” x .625” 24. 948-0350 Pulley Mounting Adapter 3. 710-0599 Hex Washer TT-Tap Screw, 1⁄4-20 x .5” 25. 736-0112 Bell Washer, 525” x 1.5” 4. 711-0920 Belt Cover Bolt 26. 712-3029 Hex Jam Nut, 1⁄2-20 5. 712-04063 Hex Flange Top L-Nut, 5⁄16-18 27. 732-0697 Return Spring 6.
Model Series 400 34 31 53 33 36 29 52 32 39 55 35 40 54 38 17 20 28 3 11 12 47 16 31 48 45 6 24 3 43 44 42 6 11 4 41 4 37 46 1 23 6 30 2 5 13 15 51 49 27 19 18 10 10 26 7 50 6 25 Equipped with Diesel Engines 8 6 46 21 14 56 10 22 6 9
Model Series 400 Ref. Part Number Description Ref. Part Number 710-0189 Description 1. 686-0044B End Cover Assembly 30. Hex Head Screw, 5⁄16-18 x 3.00 2. 710-0597 Hex Head Screw, 1⁄4-20 x 1 31. 710-0599 Self-Tapping Screw, 1⁄4-20 x 1⁄2 3. 710-0604A Hex Head Screw, 5⁄16-18 x .625 32. 731-04735 Handle Select 4. 710-1238 Hex Head Screw, 5⁄16-18 x .875 33. 720-0278A Foam Handle Grip 5. 710-3008 Hex Head Screw, 5⁄16-18 x .75 34. 710-3288 Hex Head Screw, 1⁄4-20 x 1.62 6.
Model Series 400 2 39 22 30 22 36 40 34 38 1 21 24 33 5 27 3 8 25 3 29 13 26 9 23 14 37 9 18 31 11 21 12 15 32 35 7 7 16 6 4 17 24 20 10 19 12 11 28 6
Model Series 400 Ref. Part Number Description Ref. Part Number Description 1. 934-04232 Complete Whl. Ass., 13 x 5 x 6 (B, C) 21. 736-3092 Flat Washer, .265 x 1.0 x .030 2. 714-0143A Klik Pin 22. 738-04425 Shoulder Screw, .342 x .335 1⁄4-28 3. 684-04168 Idler Pulley Assembly 23. 748-04087A Pivot Idler Spacer 4. 710-0331 Hex Head Screw, 3⁄8-24 x 2.25 24. 750-04571 Shoulder Spacer, .260 x .785 x .538 — 710-05465 Hex Head Screw, M8 x 20.0 (Diesel) 25.
Model Series 400 12 16 8 20 19 2 21 15 6 22 2 2 4 18 5 18 23 13 9 18 19 20 17 14 6 18 7 21 10 13 3 1 21 14 7 21 11 14 2 2 7 14 7 14
Model Series 400 Ref. Part Number Description 918-04815A Transmission Assembly 1. 919-04184A Housing, Transmission 2. 710-3008 Hex Screw, 5/16-18, .75, Gr5 3. 911-04844 Shaft, Tiller 4. 911-04854 Shaft, Wheel 5. 911-05028 Shaft, Worm 6. 714-04059 Key, Hi Pro .25 x 1.062 7. 716-0204 Retaining Ring 8. 716-04102 Retaining Ring, Int 9. 917-04380 Worm Gear, 61t, RH 10. 917-04381 Worm Gear, 30t, LH 11. 918-04435 Bearing Cover 12. 921-04030 Seal, Oil, .750 Shaft x 1.
Model Series 450 17 3 22 6 13 4 20 15 19 20 8 14 24 23 28 9 26 2 32 1 16 41 33 30 30 27 35 40 34 44 45 46 34 38 31 39 38 43 34 37 54 31 34 29 47 34 57 56 58 31 42 48 34 18 12 7 5 11 49 35 49 16 53 52 36 55 50/56 51 25 21 10
Model Series 450 Ref. Part Number Description Ref. Part Number Description 1 747-1152 Shaft Rod 31 710-3008 Hex Head Screw, 5/16-18 x .75 2 649-0034 Lower Handle Tube Assembly 32 710-3022 Hex Head Screw, 3/8-16 x 2.75 3 649-0041 Upper Handle Assembly 33 710-04482 Hex Head Flange, 3/8-16 x .875 4 710-0946 Screw, 1/4-20 x 0.625 34 712-04063 Flangelock Nut, 5/16-18 5 710-3005 Hex Head Screw, 3/8-16:1.
Model Series 450 45 46 13 35 33 31 17 6 38 47 12 49 48 44 42 10 28 29 10 20 15 3 6 21 1 43 16 26 9 5 27 19 11 14 4 30 8 22 24 18 23 7 2 6 25 40 36 37 39 41 18 32 34
Model Series 450 Ref. Part Number Description Ref. Part Number Description 1 686-0111 Belt Cover Bracket Assembly 26 756-1162 Input Pulley, 4L x 8.594 2 710-1039 Hex Head Screw, 3/8-24 x 1.00 27 786-0064A Idler Pulley Bracket 3 710-0170 Hex Bolt, 5⁄16-24 x .625 28 786-0185A Belt Keeper Bracket, B&S 6.5 HP 4 710-0513 Hex Bolt, 1⁄4-28 x .75” 29 786-0187 Shift Cover Bracket 5 710-0502A Screw, 3/8-16 x 1.
Model Series 450 20 16 34 35 29 3 28 11 11 45 50 16 27 37 16 15 48 46 37 33 51 38 38 10 47 9 25 39 43 36 26 8 19 1 33 6 38 38 7 23 42 32 2 22 18 41 38 21 49 5 24 14 46 31 44 38 12 28 47 4 17 12 36 37 29 13 40 20 16 30 37 16
Model Series 450 Ref. Part Number Description Ref. Part Number Description 1 611-0021 Shaft Assembly, Tine, 18T 27 717-1594 Gear Spur, 16T 2 611-0128 Shaft Assembly, Jack 28 921-0378 Shaft Seal, 1.0 3 611-0129 Shaft Assembly, Shift Input 29 721-0379 Shaft Seal, .
Model Series 640 & 650 24 25 27 21 26 28 29 40 32 41 20 3 34 42 22 1 A 23 6 23 35 31 31 30 39 5 2 12 19 4 6 A 6 17 9 8 6 6 22 14 37 42 36 33 41 10 18 11 16 38 22 13 5 11 15 43 40 7 6 8 6
Model Series 640 & 650 Ref. Part Number Description Ref. Part Number Description 1* 686-04077A Tine Shield Assembly 23 710-0805 Hex Head Screw, 5/16-18 x 1.50 1 686-04076A Tine Shield Assembly 24* 726-0135 Cap Nut, .3125 Dia. 2 710-0597 Hex Head Screw, 1/4-20 x 1.00 25* 936-3008 Flat Wahser, .344 x .750 x .120 3 710-0604A Screw, 5/16-18 x 0.625 26* 720-0270A Reverse Handle Grip 4 710-1238 Hex Head Washer, 5/16-18 x .
Model Series 640 & 650 Models with reverse 24 32 36 38 8 5 3 30 10 21 15 6 23 37 18 26 11 9 28 2 1 12 22 13 14 9 25 33 31 4 34 1 28 17 26 22 12 40 30 7 20 5 1 6 27 19 35 16 12 22 13 29 31 Models with reverse 40 24
Model Series 640 & 650 Ref. Part Number Description Ref. Part Number Description 1 684-04168 Idler Pulley Assembly, 1.917 OD 21 936-0452 Washer, Bell, .396 x 1.140 x .095 2 710-0170 Hex Head Screw, 5/16-24 x .625 22 736-3092 Washer, Flat, .265 x 1.0 x .030 3 710-0151 Hex Head Screw, 3/8-24 x 2.00 23 753-06042A Transmission Assembly 4 710-0502A Screw, 3/8-16 x 1.250 24 738-04425 Screw, Shoulder, 1/4-28 x .342 x .335 5 710-0599 Screw, 1/4-20 x 0.
Model Series 640 & 650 12 8 16 2 25 22 13 2 23 15 6 7 24 14 5 21 13 21 9 14 15 25 21 22 21 17, 18, 19, 20 15 10 6 7 3 7 25 1 15 26 4 7 25 11 2
Model Series 640 & 650 Ref. Part Number Description 1 919-04202B Transmission Housing 2 710-3008 Hex Head Screw, 5/16-18 x .75 3 911-04844 Tiller Shaft 4 911-04854 Wheel Shaft 5 711-05035 CRT Drive Shaft 6 714-04059 Key, .25 x 1.062 7 716-0204 Retainer Ring 8 716-04102 Retainer Ring 9 917-04380 RH Gear Worm, 61T 10 917-04381 LH Gear Worm, 30T 11 918-04435 Bearing Cover 12 921-04030 Oil Seal, .750 SHF x 1.
Model Series 660 17 2 17 1 10 12 23 11 18 19 21 4 5 20 24 22 14 6 16 13 8 7 9 Transmission Top Cover 15 25 24 34 35 33 38 37 26 32 29 31 30 Transmission 36 28 27 39 36 28 37 38 23 20 9 8 24 22 3
Model Series 660 Ref. Part Number Description 1. 1918811P Handlebars 2. 720-0274 Grip 3. 1916784P Reverse Clutch Control Cable 4. 710-04042 Hex Flange Screw, 3/8-16 5. 736-04445 Keyed Washer 6. 1900475010 Handlebar Hgt. Adjustment Bracket 7. 710-0514 Hex Hd. Screw, 3⁄8-16 x 1 8. 736-3050 Plain Washer, 3⁄8 9. 912-3000 Hex Locknut, 3⁄8-16 10. 946-04027 Forward Clutch Control Cable 11. GW-9442P Wheel Gear Control & Cable Ass. 12. GW-9057 Wheel Gear Control Lever Knob 13.
Model Series 660 5 2 6 9 3 16 15 39 14 15 4 12 20 13 48 17 41 40 54 49 50 37 32 55 43 8 1 10 7 36 38 32 42 19 35 44 41 3 45 19 34 46 47 3 33 40 23 24 31 21 22 51 26 29 25 57 58 45 18 52 30 55 45 58 57 27 53 56 52 53 30 45 28 11
Model Series 660 Ref. Part Number Description Ref. Part Number Description 1. 710-0672 Screw, 5⁄16-24 x 1.25 30. 786-04067 Engine Support Bracket (rt side) 2. 786-04070 Clutch Cable Bracket 31. 914-0133 Key, 3⁄16 x 1.50 3. 936-0119 Lockwasher, 5⁄16 32. 710-0395 Hex Head Screw, 5⁄16–18 x 2-1⁄4 4. 710-0107 Hex Head Screw, 5⁄16-24 x 1⁄2 33. 1918774001 Mounting Bar 5. 731-05290 Cover 34. 710-1260A Hex Flange Screw, 5⁄16-18 x .75 6. 712-3004A Flange Lock Nut, 5⁄16-18 35.
Model Series 660 20 18 19 32 37 27 19 20 10 41 36 29 43 28 2 39 33 23 8 17 22 34 22 21 18 42 11 14 26 38 9 15 24 35 7 40 7 5 14 11 18 21 31 13 25 6 1 12 3 16 32 16 4 30 3
Model Series 660 Ref. Part Number Description Ref. Part Number Description 1. 1105620 Pipe Plug 19. 941-04298 Cone Bearing 2. 916-0101 Retaining Ring 20. 941-04299 Cup Bearing 3. 1915068 Hex Screw, 1⁄4-20 x .625 21. 941-04300 Bushing, 1.25 x 1 x .005 x 1.5 4. 1915069 Self-Sealing Screw, 1⁄4-20 x .875 22. 941-3037 Ball Bearing 5. 611-04002 Eccentric Shaft 23. GW-1104 Woodruff Key, .25 x 1.12 6. 919-04010 Transmission Housing 24. 738-04448 Pin, .375 x .72 7.
Model Series 660 17 12 4 12 10 (-) (+) 13 3 20 3 8 1 1 5 9 19 16 15 6 7 11 14 2 20 5 9 4 34 20 18 14 2
Model Series 660 Ref. Part Number Description 1. 1186073 Carriage Screw 1⁄4-20 x 1.25 2. 1186211 Hex Nut 5⁄16-24 3. 1186309 Flange Screw 1⁄4-20 x .625 4. 1186389 Hex Locknut 1⁄4-20 5. 1901202 Cable (Ground Wire) 6. GW-9853 Hexlock Washer Nut, 10-32 7. 725-04346 Electric Start Harness 8. 686-04024 Battery Bracket Assembly 9. 710-0599 Self-tapping Screw 1⁄4-20 x .5 10. 712-3006 Hex Nut 1⁄4-20 11. 725-0157 Cable Tie 12. 925-0267B Ignition Switch 13.
1P65TG Air Cleaner 79 105 4 104 106 Ref.
1P65TG Carburetor Assembly 141 141 140 139 138 115 111 110 132 134 136 137 Ref.
1P65TG Crankcase 24 24 31 25 26 27 28 181 29 30 32 34 35 36 36 180 69 174 68 75 176 74 175 76 177 54 174 56 57 58 59 66 169 61 62 65 63 64 64 38 67 60 71 73 70
1P65TG Crankcase Ref. Part Number Description Ref.
1P65TG Crankshaft & Crankcase Cover 78 77 81 83 79 24 86 24 82 84 85 100 87 33 83 97 99 98 33 33 101 33 33 33 102 33 99 100 Ref. 40 Part Number Description Ref.
1P65TG Flywheel & Shroud 1 1 2 20 21 3 4 4 22 4 7 23 18 19 15 19 17 19 16 Ref.
1P65TG Cylinder Head 4 160 4 161 159 162 163 144 158 165 143 158 164 145 148 143 146 148 149 153 156 24 154 155 157 155 24 24 150 152 152 153 151 24 42 154 143 147 143 142 167 166 166 165 168 167
1P65TG Cylinder Head Ref. Part Number Description 4 712-04212 Nut M6 X 10 Mm 24 710-04916 Bolt M6×14 142 951-11746 Cylinder Head (Incl.
1P65TG Fuel Tank & Mounting 45 41 49 44 43 42 24 24 24 41 42 38 50 39 51 37 52 53 40 Ref.
Notes 45
1P65TGA Air Cleaner 110 79 108 4 4 105 Ref.
1P65TGA Carburetor 142 142 141 140 113 114 119 120 121 122 123 139 118 124 115 116 117 126 127 125 184 - Carburetor Kit 128 129 130 131 132 133 134 136 138 Part Number Description Ref. 111 135 137 Ref.
1P65TGA Crankcase 24 24 183 - Complete Engine 31 28 33 29 30 32 34 35 25 26 27 185 - Gasket Kit - External 186 - Gasket Kit - Complete 24 36 36 181 69 175 68 67 75 177 74 176 76 178 71 54 70 175 55 57 58 59 66 61 170 65 63 64 64 48 62 60 72
1P65TGA Crankcase Ref. Part Number Description Ref.
1P65TGA Crankshaft & Crankcase Cover 24 86 81 77 24 78 87 182 83 102 100 99 79 97 82 98 102 102 101 83 102 102 102 102 99 100 Ref. Description Ref.
1P65TGA Flywheel & Shroud 1 1 3 2 20 4 4 8 21 4 22 23 19 15 18 19 19 17 16 19 16 Ref. 1 Part Number 710-04744 2 3 951-12683 Description Ref. Part Number Description Screw, Hilo #12-16 X 1.
1P65TGA Cylinder Head 4 166 161 4 168 167 165 162 167 160 168 166 163 159 164 169 144 145 159 Optional 146 147 144 149 149 148 144 150 157 24 155 158 154 153 151 143 144 156 153 155 154 156 185 - Gasket Kit - External 152 24 24 24 52 183 - Complete Engine 186 - Gasket Kit - Complete
1P65TGA Cylinder Head Ref. Part Number Description Ref. Part Number Description 4 712-04212 Nut M6X10Mm Starter/Carb/Muff 157 951-11551 Valve Cover Gasket 24 710-04916 Bolt M6X14 Multi-Purpose 158 951-11548 Valve Cover 143 951-10846A Cylinder Head Svc Kit 159 710-05094 Muffler Stud M6X95 (Incl.114,147,156,165) 159 951-10342 Muffler Stud Ass'Y Cylinder Head 160 951-11739 Muffler Gasket (Incl.
1P65TGA Fuel Tank 45 41 44 43 49 42 24 24 24 41 42 50 39 37 51 38 52 53 24 53 51 40 Ref.
Notes 55
170-T0B Air Cleaner & Muffler Ref. 56 Part Number Description 20 951-11285 Exhaust Pipe Gasket 21 712-04214 Nut, M8 22 951-12156 Muffler Assembly 23 710-05002 Bolt 30 951-10806 Air Cleaner Housing 31 712-04213 Nut 32 710-05102 Self-Tapping Bolt M4.
170-T0B Carburetor Ref. Part Number Description Ref.
170-T0B Crankcase a 113 112 58
170-T0B Crankcase Ref. Part Number Description Ref.
170-T0B Fuel Tank 101a 60 Ref. Part Number 1 710-04968 83 84 Description Ref.
170-T0B Flywheel & Shroud Ref. Part Number Description Ref. Part Number Description 70 951-12126 Oil Seal 25×41.25×6 79 951-11583 Blower Housing 71 951-10792 Ignition Coil Assembly 80 736-04455 Flat Washer 72 710-04919 Bolt M6×25 81 710-04974 Bolt M6×10 951-12127 Recoil Starter 73 951-10805 Flywheel 82 74 951-10909 Fan, Cooling 109 712-04212 Nut, M6 75 951-10911 Pulley, Starter 110 710-04918 Bolt M6×20 76 712-04209 Nut, Special, M14×1.
170-T0B Cylinder Head 114 a 62
170-T0B Cylinder Head Ref. Part Number Description Ref.
170-V0B Air Cleaner & Muffler Ref. 64 Part Number Description 20 951-11285 Exhaust Pipe Gasket 21 712-04214 Nut, M8 22 751-12294 Muffler Assembly 23 710-05002 Bolt 30 951-10806 Air Cleaner Housing 31 712-04213 Nut 32 710-05102 Self-Tapping Bolt M4.
170-V0B Carburetor Ref. Part Number Description Ref.
170-V0B Crankcase a 113 112 66
170-V0B Crankcase Ref. Part Number Description Ref.
170-V0B Fuel Tank 101a Ref. Part Number 1 710-04968 83 84 Ref.
170-V0B Flywheel & Shroud Ref. Part Number Description Ref. Part Number Description 70 951-12126 Oil Seal 25×41.25×6 79 951-11583 Blower Housing 71 951-10792 Ignition Coil Assembly 80 736-04455 Flat Washer 72 710-04919 Bolt M6×25 81 710-04974 Bolt M6×10 951-12127 Recoil Starter 73 951-10805 Flywheel 82 74 951-10909 Fan, Cooling 109 712-04212 Nut, M6 75 951-10911 Pulley, Starter 110 710-04918 Bolt M6×20 76 712-04209 Nut, Special, M14×1.
170-V0B Cylinder Head 114 a 70
170-V0B Cylinder Head Ref. Part Number Description Ref.
1P65TU Air Cleaner 110 79 108 4 4 105 Ref.
1P65TU Carburetor 142 142 141 140 113 114 119 120 121 122 123 139 118 124 125 187 - Carburetor Kit Description Ref. 111 135 136 138 Part Number 112 128 129 130 131 132 133 134 137 Ref.
1P65TU Crankcase 25 25 188 - Gasket Kit - External 32 29 34 30 31 33 35 36 26 27 28 189 - Gasket Kit - Complete 190 - Complete Engine 25 37 37 185 69 179 68 67 75 181 74 180 76 182 71 54 70 179 55 57 58 59 66 61 174 65 63 64 64 74 62 60 72
1P65TU Crankcase Ref. Part Number Description Ref.
1P65TU Crankshaft & Crankcase Cover 25 86 81 77 25 78 87 186 83 102 100 99 79 97 82 98 102 102 101 83 102 102 102 102 99 100 Ref. Description Ref.
1P65TU Flywheel & Shroud 1 1 3 2 21 4 4 8 22 4 23 24 19 15 18 19 19 17 16 19 16 Ref. 1 Part Number 710-04744 2 3 951-12683 Description Ref. Part Number Description Screw, #12-16 X 1.00" 18 951-10336 Inner Shroud Outer Shroud (Model Specific) 18 951-12879 Inner Shroud Assy (Incl.
1P65TU Cylinder Head 4 164 4 165 163 170 162 164 161 162 172 171 169 166 171 160 172 170 167 159 168 173 144 145 159 Optional 146 147 144 149 149 148 144 150 157 25 155 158 154 153 143 144 156 153 155 154 156 25 25 25 188 - Gasket Kit - External 189 - Gasket Kit - Complete 190 - Complete Engine 152 78 151
1P65TU Cylinder Head Ref. Part Number Description Ref. Part Number Description 4 712-04212 Nut M6X10Mm 159 710-05094 Muffler Stud M6X95 25 710-04916 Bolt M6X14 159 951-10342 Muffler Stud Ass'Y 143 951-10846A Cylinder Head Service Kit 160 951-11739 Muffler Gasket (Incl.144,147,157,169) 161 951-12740 Muffler Assembly Cylinder Head Assembly 162 951-12743 Secondary Air Valve Gasket (Incl.
1P65TU Fuel Tank 46 42 45 44 49 43 25 25 25 42 43 50 40 38 51 39 52 53 25 53 51 41 Ref.
Notes 81
170-TU Air Cleaner 40 35 39 38 34 34 37 43 42 32 42 41 33 Ref. 82 Part Number Description 32 951-10806 Air Cleaner Housing 33 712-04213 Nut 34 951-14068 Self-Tapping Bolt M4.
170-TU Carburetor 30 26 26 27 28 31 29 30 127 - Carburetor Kit - Major Ref. Part Number Description Ref.
170-TU Crankshaft & Crankcase 70 70 72 70 70 70 70 62 65 66 71 63 70 67 69 64 62 68 125 - Gasket Kit - External 126 - Gasket Kit - Complete 61 60 130 - Complete Engine 59 58 56 73 57 51 50 77 74 74 52 53 51 54 55 54 84
170-TU Crankshaft & Crankcase Ref. Part Number Description Ref. Part Number Description 50 951-12111 Piston Ring Set 67 715-04089 Dowel Pin 9×14 51 951-11632 Piston Pin Snap Ring 68 951-11371 Crankcase Cover Gasket 52 951-12007 Piston 69 951-12125 Cover Comp, Left Crankcase 53 951-11633 Piston Pin 70 710-04932 Bolt M8×32 54 710-04915 Bolt M6×12 71 951-11283 Oil Plug 55 951-11113 Air Shield 72 951-11578 Oil Seal, 25×41.
170-TU Fuel Tank & Mounting 111 110 107 109 106 105 105 112 108 113 104 103 98 99 92 93 92 Ref. 95 114 121 121 100 Description Ref.
170-TU Flywheel & Blower Housing 122 76 75 123 79 78 84 82 79 83 80 84 86 88 87 89 88 81 87 84 Ref. Part Number Description Ref.
170-TU Cylinder Head 48 47 20 47 44 49 18 18 46 45 46 45 18 17 125 - Gasket Kit - External 18 126 - Gasket Kit - Complete 130 - Complete Engine 16 19 15 14 124 2 16 6 9 1 11 10 8 1 1 1 88 12 13 11 8 3 4 10 9 7
170-TU Cylinder Head Ref. Part Number Description Ref. Part Number Description Incl.4,15,16,38) 1 710-04968 Bolt M6×16 2 951-11054 Valve Cover 3 726-04101 Breather Hose Clamp (Incl.
170-TU Muffler 24 23 22 25 21 21 Ref.
Notes 91
170-VU Air Cleaner 42 37 41 40 36 36 39 45 34 44 44 43 35 Ref. 92 Part Number Description 34 951-10806 Air Cleaner Housing 35 712-04213 Nut 36 951-14068 Self-Tapping Bolt M4.
170-VU Carburetor 28 28 29 30 33 31 32 32 127 - Carburetor Kit - Major Ref. Part Number Description Ref.
170-VU Crankshaft & Crankcase 74 72 72 72 72 72 72 64 67 68 73 72 65 69 71 66 64 70 129 - Gasket Kit - External 130 - Gasket Kit - Complete 75 63 62 131 - Complete Engine 61 60 59 58 53 52 77 76 54 55 76 53 56 57 56 94
170-VU Crankshaft & Crankcase Ref. Part Number Description Ref. Part Number Description 52 951-12111 Piston Ring Set 69 715-04089 Dowel Pin 9×14 53 951-11632 Piston Pin Snap Ring 70 951-11371 Crankcase Cover Gasket 54 951-12007 Piston 71 951-12125 Cover Comp, Left Crankcase 55 951-11633 Piston Pin 72 710-04932 Bolt M8×32 56 710-04915 Bolt M6×12 73 951-11283 Oil Plug 57 951-11113 Air Shield 74 951-11578 Oil Seal, 25×41.
170-VU Fuel Tank & Mounting 113 112 109 111 108 107 107 114 110 115 106 3 105 101 95 94 94 1 100 99 96 122 92 103 Description 103 Ref.
170-VU Flywheel & Blower Housing 124 79 78 125 81 80 81 86 86 84 88 85 82 90 91 89 83 90 89 86 Ref. Part Number Description Ref.
170-VU Cylinder Head 20 128 - Cylinder Head Service Kit 129 - Gasket Kit - External 18 46 49 18 50 49 47 51 48 130 - Gasket Kit - Complete 18 131 - Complete Engine 14 126 2 15 47 16 18 16 13 6 8 9 10 1 11 8 3 1 98 10 9 7 4 12 11 1 1 17 19 48
170-VU Cylinder Head Ref. Part Number Description Ref.
170-VU Muffler 24 25 26 23 22 27 21 21 Ref.
Notes 101
Notes
Notes 103
To order replacement parts or locate your nearest service dealer call a Customer Support at (800) 800-7310. or visit www.mtdproducts.com to find the nearest authorized dealer in your area. MTD LLC, P.O.
