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GTV990
Engine Parts Manual
Model: 005057-0
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GTV990 OHVI SERIES ENGINE Model 005057-0
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Model 005057-0 GTV990 OHVI SERIES ENGINE
ITEM PART NO. QTY. DESCRIPTION
1 0C5730B 1 ASSY,CRANKCASE VS W/SLEEVE
2 0E9843 1 SEAL, 38 I.D. CRANKSHAFT
3 090388 2 SCREW, HHTT M6-1.0 X 12 YC
4 0C5372 1 ASSEMBLY, BREATHER
5 0C3005 1 GASKET, BREATHER COVER
6 0E3372A 1 SEPARATOR, OIL BREATHER GTV
7 0D8067A 1 ASSEMBLY, HEAD #1
8 071983 4 RETAINER, PISTON PIN 20
9 0C2981C 1 ROCKER, COVER NO OIL FILL
10 045761A 4 STUD M8-1.25/10MM X 30 G5 ZINC
11 0215330SRV 2 SET, PISTON RING 90MM
12 0E1466 2 PIN, PISTON 20 DIA X 48 L
13 0E2950 2 PISTON DISH TOP DIA 90
14 0D4041 1 ASSEMBLY, CAMSHAFT & GEAR
15 0C2983 1 SHAFT, GOVERNOR
16A 0C2985A 2 ROLLER BEARING, GOVERNOR PLATE
16B 0C2985B 1 ROLLER BEARING, GOVERNOR
17 0E2743 1 ASSEMBLY,GOVERNOR GEAR
18 0A7811 1 SPOOL, GOVERNOR MACHINED
19 0C2977 1 GASKET, CRANK CASE
20 0C5943 1 SEAL, OIL PASSAGE
21 0D8067B 1 ASSEMBLY, HEAD #2
22 0D9853D 4 PUSHROD, 147
23 021374 3 SCREW SHC M6-1.0 X 30 G8.8
24 0C2994 1 SCREEN, OIL PICKUP
25 0C2997 1 COVER, GEROTOR
26 0F0462 4 NUT W/TOOTH WSHR M8-1.25
27 0C3011 2 COVER, OIL RELIEF
28 0C3009 2 SPRING, OIL RELIEF
29 0C3010 2 BALL, 1/2D OIL RELIEF
30 093873 3 WASHER, LOCK RIB M6
31 0C2996 1 GEROTOR, OUTER
32 0C4138 2 GASKET, EXHAUST
33 0D1667 1 ARM, GOVERNOR
34 0C2991 2 E-RING, GOVERNOR ARM
35 0C2988 1 THRUST WASHER, GOVERNOR
36 0C2992 1 BUSHING, GOVERNOR LOWER
37 0C2995 1 GEROTOR, INNER
ITEM PART NO. QTY. DESCRIPTION
38 0D4788 1 PLUG, DRAIN
39 0C2993 1 SEAL, GOVERNOR SHAFT
40 0E9842 1 SEAL, 42 I.D. CRANKSHAFT
41 0C57320SRV 1 ASSEMBLY, SUMP WITH SLEEVE
42 0C3006 9 SCREW, HHFC M10-1.5 X 55
43 080318 8 SCREW HHFC M6-1.0 X 25
44 0C2978 2 GASKET, HEAD
45 0C8808 1 HOOK, LIFTING
46 0D7477A 1 ASSEMBLY, ROCKER COVER W/ BARB FOR
PULSE
47 0C2979 2 GASKET, VALVE COVER
48 086515 4 KEEPER, VALVE SPRING (SET OF 2)
49 0D2274 4 RETAINER, VALVE SPRING
50 0D3867 4 SPRING, VALVE
51 078672 2 SEAL, VALVE STEM D7
52 0C5371 4 WASHER, VALVE SPRING
53 072694 4 STUD, ROCKER ARM PIVOT
54 0D3998 4 NUT, HEX M8-1.0 G8 YEL CHR
55 0E3273 1 SCREEN C'CASE BREATHER GTV
56 0D5313 4 ROCKER ARM
57 0D6024 2 PLATE, PUSH ROD GUIDE
58 0C2976 12 SCREW HHFC M8-1.25 X 65
59 086516 2 VALVE, EXHAUST
60 0C2229 2 VALVE, INTAKE
61 083897 4 TAPPET, SOLID
*62 0D40150SRV 1 KIT, OIL RELIEF
*63 0D94190SRV 1 KIT, SUMP
*64 0E9422AESV 1 KIT, GASKET
*65 0E29500SRV 1 KIT, PISTON & RINGS
*66 0E43550SRV 1 KIT, BREATHER ASSY GTV
*67 0E27430SRV 1 KIT, GOVERNOR ASSEMBLY
*68 0D8675ASRV 1 KIT, HEAD ASSEMBLY CYLINDER 1
*69 0D8675BSRV 1 KIT, HEAD ASSEMBLY CYLINDER 2
70 0E4357J 1 ASSY C’SHAFT & GEAR 100MM
71 0E3223 2 CONNECTING ROD
73 0D6147 4 SCREW, HHFC M6-1.0 X 10mm
* See Back Cover for Itemized Kits.
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143
174
144
155
79
174
155
143
142
141
140
145
146
168
128
124
129
167
164
165
87
130
131
132
180
178
177
88
94
89
92
93
91
90
179
95
84
98
102
100
101
104
103
104
106
105
107
108
112
110
111
87
175
173
114
109
84
147
97
85
86
87
176
113
152
116
117
118
119
120
121
122
123
125
99
127
133
134
135
136
137
138
148
149
150
84
155
116
116
152
152
154
151
84
153
115
156
"D"
"D"
"A"
"B"
TO VALVE
COVER
126
157
"A"
"B"
"B"
158
TO #109
TO #95
TO #166
TO #1
TO #109
159C
TO #168
96A
159B
159A
160
162
161
163
152
116
166
145
169
170
164
139
87
171
172
80
80
96B
181
182
TO #138
TO #138
TO #138
TO #168
82
83
81
"B"
GTV990 OHVI SERIES ENGINE Model 005057-0
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Model 005057-0 GTV990 OHVI SERIES ENGINE
ITEM PART NO. QTY. DESCRIPTION
79 0E7743 1 ASSY, IGNITION COIL 270mm CYLINDER 1
80 0D6147 2 SCREW, HHFC M6-1.0 X 10mm
81 047411 2 SCREW, HHC M6-1.0 X 16
82 022097 2 WASHER, LOCK M6
83 0F6263 1 PUMP, IMPULSE
84 045756 21 SCREW, HHTT M6-1.0X 10 YC
85 0D6027 1 BRACKET, FUEL PUMP
86 030340P 1 HOSE ¼” ID X 7” LONG
87 048031C 6 CLAMP HOSE BAND 1/4
88 0C3033 1 WASHER, M24
89 0C3034 1 NUT,HEX M24
90 048571 2 SCREW, HHC M8-1.25 X 10 G8.8
91 0A5992 2 WASHER, SHAKEPROOF INT M8 SS
92 0C3032 1 PLATE, FAN
93 0C3031 1 FAN, NYLON
94 0C9182 1 FLYWHEEL ASSEMBLY W/ L.C. MAGNETS
95 0E4997 1 CONNECTOR, GROUND WIRE
96A 0F0911 1 VS WIRE HARNESS
96B 0E7237 1 30 AMP FUSE
97 0F1153B 1 STATOR, OUTLINE W/ LUGS 14.25”
98 0C3016C 1 PLATE, BACKING GT990 WITH OIL COOL
99 0E4845 1 ASSEMBLY,BREATHER TUBE GTV
100 082774 1 KEY, WOODRUFF 4 X 19D
101 0C3043 2 GASKET, MANIFOLD / PORT
102 0C9764 4 PLASTITE,1/4-15 X 3/4
103 0C3026 1 COOLER, OIL
104 0F6301 4 CLAMP, HOSE OETIKER 16.5mm
105 0C9806 2 HOSE, 3/8” I.D. X 6” LONG
106 035461 2 BARBED STR 1/4NPT X 3/8
107 070185B 1 FILTER, OIL BLACK 75mm LONG
108 0C7292 1 NIPPLE, 3/4”-16 UNF
109 0F0830 1 SWITCH, OIL PRESSURE
110 0C3019 1 WRAPPER, LOWER CYLINDER 1
111 0E5153 2 SCREW THTT #10-24 X 3/8”
112 0C3018 1 WRAPPER, UPPER CYLINDER 1
113 0D3868 1 BRACKET, SUPPORT-GOVERNOR ADJUST
114 0E4804 1 HOSE, BLOWER HSG TO BREATHER
115 0E0553 1 ASSY, IDLE SPEED SUPPORT BRACKET
116 0D6342 4 STUD, BALL M3-0.5
117 0E0552 1 ASSY, GOVERNOR LEVER
118 0E1150 1 SPRING, GOVERNOR
119 0D9884 1 ASSY, IDLE SPEED ADJUST W/ GROMMET
120 0D3876 1 WASHER, FLAT M5
121 049226 1 WASHER, LOCK M5
122 045770 1 SCREW, HHC M5-0.8 X 10
123 0D6257 1 ROD, GOVERNOR
124 052857 4 NUT LOCK FLANGE M6-1.0
125 0D3959A 1 ADAPTOR,CARB-AIRBOX,M6 BOSSES
126 048031N 1 HOSE CLAMP, BAND 12mm I.D.
127 0D9999 1 ASSY, IDLE SPEED ADJUSTMENT ROD
128 0D6021 4 STUD, METRIC
129 070008 4 WASHER, FLAT M8
130 070006 4 WASHER, LOCK M8
131 049821 4 SCREW, SHC M8-1.25 X 30
ITEM PART NO. QTY. DESCRIPTION
132 0E3052 1 MANIFOLD,INTAKE VERT 2BBL CARB
133 0E4190 4 CLAMP, 3/16” COATED CABLE
134 0F5579 4 SCREW, HHC W/SHLDR M5-0.8 X 20
135 0D8559 1 ROD, CHOKE
136 0D7237 1 ASSY, BELDEN BRACKET W/ BELLCRANK
137 0E5139 3 SCREW HHFC M6-1.0 X 8mm
138 0A2702 1 REGULATOR, 20 AMP
139 0F0106 1 FILTER, FUEL
140 0D1142A 1 WRAPPER, LOWER CYLINDER 2
141 0D1143 1 WRAPPER, UPPER CYLINDER 2
142 0E6037 2 SPARKPLUG NGK #BKR4E
143 0F1177 1 ASSEMBLY, GROUND WIRE
144 0C3052 1 ASSY, IGNITION COIL GV-990 CYLINDER 2
145 022129 3 WASHER, LOCK M8-5/16
146 061906 2 SCREW, HHC M8-1.25 X 85 G8.8
147 0D6026 1 LIFT HOOK, STARTER
148 090072 1 O-RING, OIL CLR
149 0D6655 1 TUBE, DIPSTICK
150 0C8434C 1 ASSEMBLY, DIPSTICK W/ HANDLE
151 0D9863 1 ROD, IDLE ADJUSTMENT
152 0D9784 4 NUT, LOCK HEX M3-0.5
153 0E0486 1 SCREW, SHC M10-1.5 X 75 G10.9
154 0E5343 1 NUT, LOCK FL-SERRATED M10-1.5
155 092079 8 SCREW, TAPTITE M6-1.0 X 25
156 0C8566 4 SCREW, HHHC M6-1.0 X 20
157 0E5113 1 WASHER NYLON 0.375” I.D.
158 0D1366 1 BUSHING, GOVERNOR ROD
159A 022471 1 NUT HEX #8-32
159B 022264 1 WASHER LOCK #8-M4
159C 0F2094 1 SCREW PPHM M3-0.5 X 8 SEMS
160 036933 1 SCREW, PPHM #10-32 X 3/8”
161 0D6311 1 BRACKET, THROTTLE
162 022152 1 WASHER, LOCK #10
163 022158 1 NUT, HEX #10-32
164 030340R 2 HOSE ¼” ID X 10” LONG
165 0D4026 1 GASKET,ARBX TO SPCR/CARB
166 0E8951 1 CARBURETOR DENI GTV990
167 0D4023 1 GASKET,MANIFOLD TO CARB
168 0E4271 1 STARTER, DELCO REMY SD80
169 022145 1 WASHER, FLAT M8
170 0F5467 1 NUT, HEX M8-1.25 YELLOW ZINC
171 086061G 1 SLEEVING, ½” ID X 2” LG
172 029333A 1 TIE WRAP, UL 7.4” X .19” BLK
173 0C5136 4 KNOB, AIR CLEANER
174 022097 4 WASHER, LOCK M6-1/4”
175 0E3146 4 SPACER, ROTATING SCREEN GUARD
176 0D7815A 1 GUARD, ROTATING SCREEN
177 0D7115 4 SCREW, #10 SHEET METAL
178 0D9684A 1 SCREEN, ROTATING
179 0E4046E 1 HOUSING, BLOWER VERTICAL L&G
180 0C9763 4 NUT, GROMMET 1/4 PLUG
181 0F1155A 1 ASSY, FUSE WIRE W/ RING LUG
182 0F1150 1 HOUSING CONN PACKARD 56 SERIES
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GTV990 OHVI SERIES ENGINE Model 005057-0
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Model 005057-0 GTV990 OHVI SERIES ENGINE
ITEM PART NO. QTY. DESCRIPTION
AIR CLEANER ASSEMBLY
200 0F7642 1 CLEANER, AIR WITH MOUNTING BASE
201 0E3557 1 FILTER, AIR PRIMARY
202 0E3656 1 FILTER, AIR SAFETY
203 022129 2 WASHER LOCK M8-5/16
204 0E2990 1 BRKT, AIR CLEANER SUPPORT GTV
205 0E1644 4 SCREW BHSC M6-1.0 X 12 SS
206 0E1680 2 CLAMP HOSE #32 1.563-2.500
207 0E4326 1 HOSE AIR CLEANER GTV
208 042907 2 SCREW HHC M8-1.25 X 16 G8.8
209 0D6147 2 SCREW HHFC M6-1.0 X 10 G8.8
210 022145 2 WASHER FLAT 5/16-M8 ZINC
212A 0E0136A 1 HOOD, INLET
212B 0E0136B 1 CLAMP, HOSE
CARBURETOR OVERHAUL KIT — P/N TBD
PART NO. QTY. DESCRIPTION
— 1 GASKET, MANIFOLD TO CARB GTH990
— 1 GASKET, ARBX TO SPCR/CARB H990
— 1 "O"RING, FLOAT BOWL DRAIN
— 1 ASSY, NEEDLE VALVE
— 1 SPRING, NEEDLE
— 1 PIN, NEEDLE
— 1 "O"RING, FLOAT BOWL
— 1 GASKET, FLOAT BOWL
— 1 CARB BOWL FLOAT
ITEM PART NO. QTY. DESCRIPTION
MUFFLER MOUNTING
215 0E3502A 1 SUPPORT, MUFFLER RH
216 0E3502B 1 SUPPORT, MUFFLER LH
217 039253 2 SCREW HHC M8-1.25 X 20 G8.8
218 022145 4 WASHER FLAT 5/16-M8 ZINC
219 067989 2 NUT, HEX FL WHIZ M8-1.25
220 0F0880 1 MUFFLER, RH
CARBURETOR BOWL GASKET KIT — P/N TBD
PART NO. QTY. DESCRIPTION
— 1 "O"RING, FLOAT BOWL DRAIN
— 1 "O"RING, FLOAT BOWL
— 1 GASKET, FLOAT BOWL
SOLENOID, FUEL SHUT OFF — 0F1932
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GTV990 OHVI SERIES ENGINE Model 005057-0
OIL RELIEF KIT — 0D40150SRV
PART NO. QTY. DESCRIPTION
0C3009 2 SPRING, OIL RELIEF
0C3010 2 BALL, 1/2D OIL RELIEF
0C3011 2 COVER, OIL RELIEF
SUMP KIT ASSEMBLY — 0D94190SRV
PART NO. QTY. DESCRIPTION
0C2988 1 THRUST WASHER
0C2991 2 E-RING, GOVERNOR ARM
0C2992 1 BUSHING, GOVERNOR LOWER
0C3009 2 SPRING, OIL RELIEF
0C3010 2 BALL, 1/2D OIL RELIEF
0C3011 2 COVER, OIL RELIEF
0D1667 1 ARM, GOVERNOR
0E9842 1 SEAL CRANKSHAFT PTO SIDE
090388 2 SCREW, HHTT M6-1.0 X 12 ZINC
GASKET KIT — 0E9422AESV
PART NO. QTY. DESCRIPTION
0C2977 1 GASKET, C’CASE
0C2978 2 GASKET, CYLINDER HEAD
0C2979 2 GASKET, VALVE COVER
0C2993 1 SEAL, GOVERNOR SHAFT
0C3005 1 GASKET, BREATHER COVER
0C3043 2 GASKET, INTAKE PORT
0C4138 2 GASKET, EXHAUST PORT
0C5943 1 SEAL, OIL PASSAGE
0D4026 1 GASKET, CARB TO SPACER
0D4023 1 GASKET, MANIFOLD TO CARB
0E9842 1 SEAL CRANKSHAFT PTO SIDE
0E9843 1 SEAL CRANKSHAFT FLYWHEEL SIDE
090072 1 O-RING 9/16 X 3/4 X 3/32
BREATHER ASSEMBLY KIT — 0E43550SRV
PART NO. QTY. DESCRIPTION
0C3005 1 GASKET, BREATHER COVER
0C5372 1 ASSY, BREATHER
0E3273 1 SCREEN, C’CASE BREATHER
0E3372A 1 SEPARATOR, OIL BREATHER
HEAD ASSEMBLY KIT - CYL #1 —
0D8675ASRV
PART NO. QTY. DESCRIPTION
0C2229 1 VALVE, INTAKE
0C2976 6 SCREW, HHFC M8-1.25 X 65
0C2978 1 GASKET, CYLINDER HEAD
0C2979 1 GASKET, VALVE COVER
0C3043 2 GASKET, INTAKE PORT
0C4138 2 GASKET, EXHAUST PORT
0C5371 2 WASHER, VALVE SPRING
0D2274 2 RETAINER, VALVE SPRING
0D3867 2 SPRING, VALVE
0D3998 2 NUT, HEX M8-1.0 G8 YEL CHR
0D5313 2 ROCKER ARM
0D6024 1 PLATE, PUSH ROD GUIDE
0D8067A 1 ASSY, CYL HEAD GUIDES & SEATS CYL 1
0D9853D 2 PUSHROD 147 LENGTH
072694 1 STUD, ROCKER ARM PIVOT
078672 1 SEAL, VALVE STEM D7
086515 2 KEEPER, VALVE SPRING (SET OF 2)
086516 1 VALVE, EXHAUST
HEAD ASSEMBLY KIT - CYL #2 —
0D8675BSRV
PART NO. QTY. DESCRIPTION
0C2229 1 VALVE, INTAKE
0C2976 6 SCREW, HHFC M8-1.25 X 65
0C2978 1 GASKET, CYLINDER HEAD
0C2979 1 GASKET, VALVE COVER
0C3043 2 GASKET, INTAKE PORT
0C4138 2 GASKET, EXHAUST PORT
0C5371 2 WASHER, VALVE SPRING
0D2274 2 RETAINER, VALVE SPRING
0D3867 2 SPRING, VALVE
0D3998 2 NUT, HEX M8-1.0 G8 YEL CHR
0D5313 2 ROCKER ARM
0D6024 1 PLATE, PUSH ROD GUIDE
0D8067B 1 ASSY, CYL HEAD GUIDES & SEATS CYL 2
0D9853D 2 PUSHROD 147 LENGTH
072694 1 STUD, ROCKER ARM PIVOT
086515 2 KEEPER, VALVE SPRING (SET OF 2)
086516 1 VALVE, EXHAUST
GOVERNOR KIT ASSEMBLY — 0E27430SRV
PART NO. QTY. DESCRIPTION
0A7811 1 SPOOL, GOVERNOR MACHINED
0C2985A 2 BEARING ROLLER GOV TOP
0C2985B 1 BEARING ROLLER GOV W/ROLLERS
0E2743 1 ASSY, GOV GEAR-LIGHT FLYWGT
Manual No. 0F6887 Revision B (12/22/05) Printed In U.S.A.
PISTON KIT — 0E29500SRV
PART NO. QTY. DESCRIPTION
0E1466 2 PIN, PISTON 20 DIA X 48
0E2950 2 PISTON, 8.5:1 90MM DIA LOW COMPR
021533A 2 RING, PISTON TOP 90MM
021533B 2 RING, PISTON 2ND 90MM
021533C 4 RING, OIL RAIL 90MM
021533D 2 RING, OIL SPACER 90MM
071983 4 RETAINER, PISTON PIN 20
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