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Troy-Bilt 478-SU OHV Engine 2010 & After

Model: 478-SU Engine 2010 & After

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478-SU-10-Carburetor Assembly

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132
Carburetor Assembly MTD-951-14024A
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133
PRIMER MTD-951-10639B
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134
Primer Bulb MTD-951-11824
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a
Choke Shaft MTD-NA
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b
Lock Washer MTD-NA
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c
Screw M3×5 MTD-NA
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d
Choke Plate MTD-NA
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e
Throttle Shaft MTD-NA
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f
Throttle Plate MTD-NA
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g
Lock Plate MTD-NA
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h
Idle Jet Assembly MTD-NA
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i
Idle Speed Adjusting Screw MTD-NA
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j
Mixture Screw MTD-NA
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k
Primer Hose MTD-751-12082
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l
Hose Clamp MTD-NA
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m
Carburetor Body MTD-NA
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n
Float Pin MTD-NA
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o
Emulsion Tube MTD-NA
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p
Needle Valve MTD-NA
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q
Main Jet MTD-NA
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r
Needle Valve Spring MTD-NA
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s
Float MTD-NA
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t
Fuel Bowl Gasket MTD-951-11970
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u
Fuel Bowl MTD-NA
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v
FUEL BOWL GASKET MTD-951-11348A
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w
Fuel Bowl Mounting Bolt MTD-710-04945
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x
FUEL DRAIN PLUG GASKET MTD-951-11349A
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y
FUEL DRAIN PLUG MTD-710-04938
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xx
Carburetor Kit (Incl. Ref No. g,n,o,p,q,r,s,t,v & x) Not shown MTD-951-12762A

478-SU-10-Crankcase & Lubrication

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41
Connecting Rod Assembly MTD-951-12066
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42
Piston MTD-951-12043
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43
PISTON PIN SNAP RING MTD-951-11632
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44
PISTON PIN MTD-951-12044
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45
PISTON RING KIT MTD-951-12067
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49
Governor Gear MTD-951-12068
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50
BEARING MTD-951-12069
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51
Washer 8×20×0.8 MTD-736-04453
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52
Cotter Pin MTD-714-04077
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53
Governor Seal MTD-951-11958
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54
GOVERNOR ARM SHAFT MTD-951-12071
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55
Crankshaft Kit (Incl. Ref No. 50,55,56,65 & 81) MTD-951-11229
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56
WOODRUFF KEY MTD-751P10307A
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57
Dowel Pin 9×12 MTD-715-04102
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58
DOWEL PIN 9 X 14 MTD-715-04096A
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59
Camshaft MTD-951-12072A
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60
Crankcase Cover Gasket MTD-951-11374
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61
WASHER MTD-736-04545
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62
O-RING 15.8 x 2.5 MTD-951-11577
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63
Oil Fill Plug Asm MTD-951-11283
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64
Crankcase Cover Kit (Incl. Ref No. 50,60,61,64-67) MTD-951-11228
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65
Oil Seal,30×46×8 MTD-951-11372
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66
BOLT M8×38 MTD-710-06061
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67
SCREW M8-1.25 x 45 GR10.9 MTD-710-06062
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68
BOLT M8×35 MTD-710-06063
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69
Bolt M6×16 MTD-710-04968
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70
OIL TUBE SUPPORT BRACKET MTD-951-11320
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71
Bolt M6×8 MTD-710-04966
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73
Oil Fill Tube O-Ring MTD-951-11381
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74
Oil Fill Tube Assembly MTD-951-12073
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75
Dipstick O-Ring MTD-951-11904
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76
Dipstick Assembly MTD-951-11971A
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77
Crankcase Kit (Incl. Ref No. 50,53,77 & 81) MTD-951-11230
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78
OIL DRAIN PIPE MTD-951-11350A
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79
FLAT WASHER MTD-736-04440A
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80
Oil Drain Plug MTD-710-04906
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81
Oil Seal 30×46×8 MTD-951-11498
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126
CYLINDER BAFFLE MTD-951-11180
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127
Bolt M6×12 MTD-710-04915
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144
Oil Fill Plug Asm MTD-951-11283
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145
Oil Drain Assembly MTD-951-10641
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xx
Short Block Assembly (Incl. Ref No. 41-45,49-68,77-81,102,105,106,108,110,123,129 & 130) Not shown MTD-951-11187
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xx
Crankcase Kit (Incl. Ref No. 50,53,77 & 81) Not shown MTD-951-11230
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xx
Crankshaft Kit (Incl. Ref No. 50,55,56,65 & 81) Not shown MTD-951-11229
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xx
Crankcase Cover Kit (Incl. Ref No. 50,60,61,64-67) Not shown MTD-951-11228
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xx
COMPLETE ENGINE 277cc Not shown MTD-952Z678-SUA

478-SU-10-Cylinder Head

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100
Exhaust Valve MTD-951-11198
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101
Intake Valve MTD-951-11198
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102
TAPPET MTD-951-11962A
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103
Push Rod Kit MTD-951-11199
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104
Cylinder Head Assembly MTD-951-11188
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105
Dowel Pin 12×20 MTD-715-04097
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106
Gasket, Cylinder Head MTD-951-12076
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107
Spark Plug/F6Rtc MTD-951-10292A
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108
MUFFLER GASKET MTD-951-11212A
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109
Muffler Stud M8×48.5 MTD-710-04964
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109
Muffler Stud Assembly MTD-951-11207
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110
SCREW10-1.25 C 80 GR10.8 MTD-710-04973
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111
INTAKE VALVE SEAL MTD-951-11964A
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112
VALVE SPRING RETAINER MTD-951-12077A
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113
Valve Spring MTD-951-12078
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114
Exhaust Valve Spring Retainer MTD-951-12080
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115
Exhaust Valve Adjuster MTD-951-12269
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116
PUSH ROD GUIDE MTD-951-11965B
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117
ROCKER ARM ASSEMBLY MTD-951-11981A
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118
Bolt,Pivot MTD-710-04962
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119
Rocker Arm MTD-951-11966
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120
Adjusting Nut ,Valve MTD-751-11123
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121
Nut,Pivot Locking MTD-751-11124
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122
Valve Cover Bolt MTD-710-05054
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123
Valve Cover Gasket MTD-951-11967
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124
Valve Cover MTD-951-11220
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128
Carburetor Stud M6-8×106 MTD-710-04963
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129
Intake Gasket MTD-951-11225
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130
Carburetor Insulator MTD-951-11222
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131
Carburetor Gasket MTD-951-11223
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141
Hose Clamp MTD-726-04101
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142
Breather Hose MTD-951-11221
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146
Valve Cover Kit MTD-951-11333
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xx
Cylinder Head Kit (Incl. Ref No. 106,110,111 & 123) Not shown MTD-951-11226
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xx
Cylinder Head Assembly (Incl. Ref No. 100,101,104,106,108-116,118-121,123,128-130) Not shown MTD-951-11188
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xx
Short Block Assembly (Incl. Ref No. 41-45,49-68,77-81,102,105,106,108,110,123,129 & 130) Not shown MTD-951-11187

478-SU-10-Fuel Tank & Mounting

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16
Fuel Cap Assembly MTD-951-12533
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17
Fuel Level Indicator MTD-951-11933
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18
Bolt M8×20 MTD-710-04970
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19
Bushing I, Gas Tank MTD-750-05312
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20
Bushing II, Gas Tank MTD-750-05313
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21
Fuel Tank Assembly MTD-951-11201
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22
FUEL TANK SHROUD MTD-951-11184
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23
FUEL TANK MOUNTING BRACKET MTD-951-11183
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24
ENGINE SHROUD MTD-951-11419
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25
Bolt M6×16 MTD-710-04968
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26
Flat Washer MTD-736-04452
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27
Fuel Line Kit MTD-951-11200
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28
CARBURETOR HOSE CLAMP MTD-951-11700A
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29
Bolt M8×14 MTD-710-04921
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30
FUEL TANK MOUNTING BRACKET MTD-951-11182
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31
Nut M8 MTD-712-04219
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33
Nut M6 MTD-712-05015
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34
Governor Arm Bolt MTD-710-04908
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35
GOVERNOR LEVER MTD-951-14200
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36
Governor Spring MTD-951-11202
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37
Throttle Return Spring MTD-951-11203
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38
Governor Rod MTD-951-11204
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39
Throttle Control Asm MTD-951-11213
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40
Bolt,M6×14 MTD-710-04916
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xx
Fuel Tank Nipple Not shown MTD-951-10651

478-SU-10-Muffler & Controls

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1
Bolt, M6×14 MTD-710-04916
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2
Muffler Shield MTD-951-11194
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3
Bolt M6×12 MTD-710-05103
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4
Throttle Control Knob MTD-951-11224
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5
Control Panel MTD-951-11594
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7
Ignition Key MTD-951-10630
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8
Key Switch Assembly MTD-951-10637
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9
Choke Knob MTD-951-11302
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10
Bolt M6×10 MTD-710-04940
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11
Muffler Baffle MTD-951-11181
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12
Carb Isolator Bracket MTD-951-11227
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13
Bolt M6×16 MTD-710-04968
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14
Muffler Assembly MTD-951-11195
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15
Nut, M8 MTD-712-04219
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xx
WEATHER SHIELD MTD-751-19189

478-SU-10-Starter Assembly & Blower Housing

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46
Bolt M4×55 MTD-710-04965
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47
Electric Starter MTD-951-11196
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48
Bolt M8×55 MTD-710-04967
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82
Ignition Module MTD-951-11197A
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83
Bolt M6×28 MTD-710-04931
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84
STATOR MTD-951-11961
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85
Bolt M6×30 MTD-710-04969
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86
Bolt M6×8 MTD-710-04966
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87
Alternator Wire Clamp Brkt MTD-951-11186
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88
Flywheel MTD-951-12090
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89
Fan, Cooling MTD-951-11217
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90
Starter Cup MTD-951-11218
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91
Nut, Special,M16×1.5 MTD-712-04220
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92
Bolt M6×16 MTD-710-04968
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93
Bolt M6×12 MTD-710-04915
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95
Blower Housing MTD-951-11379
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96
Recoil Starter MTD-951-11208
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97
FLAT WASHER MTD-736-04455B
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98
Bolt M6×10 MTD-710-04974
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136
HEATER BOX MTD-951-11190
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137
CHOKE ASSEMBLY NLAUD MTD-951-11192
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138
Lock Washer MTD-736-04477
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139
Nut M6 MTD-712-05015
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143
Starter Handle MTD-731-05696
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