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OVRM120-22033D
Engine Parts List #1
Page 1 of 6
OVRM120-22033D
Engine Parts List #1
Page 2 of 6
Ref # Part Number
6579
Qty Description
3
1 Intake Pipe
1 Cylinder (Incl. 2 & 20)
2 Dowel Pin
1 Breather Element
1 Breather Ass'y. (Incl. 6 & 12A)
1 Breather Tube
1
36729
26727
33734
36557
2
6
7
1
2 36775
2B 36694
2A 36558
4 28277
5 31513
6 34839A
7 31335
8 651018
9 36281
0 32600
0 37201
0 40004
0 40005
1 36070
1 36071
2 40006
2 40007
3 20381
5 32875A
6 32610A
8 35616
0 37481
2 29914
3 31745
4 31747
5 35218A
6 33401
7 33537
8 31744
9 37797
0 36985A
2 36083
5 26208
0 30574A
1 30590A
2 30591
3 30588A
9 611004
0 611112
2 650815
3 650816
00 34443B
01 610118
03 651007
04 37480
10 37047
19 36719
20 37482
25 36471
25 36472
26 37711
30A 650999
30 650912
1
1
1 Breather Fitting
1 Breather Cover & Tube
1 Washer
1 Governor Rod (Incl. 14)
1 Governor Lever
1 Governor Lever Clamp
1 Screw, Torx T-15, 8-32 x 19/64"
1 Extension Spring
1
1
1
1
1
1
2
3
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
6
7
7
7
8
8
1 Oil Seal
1 Crankshaft
1 Piston, Pin & Ring Set (Std.)
1 Piston, Pin & Ring Set (.010" OS)
1 Piston & Pin Ass'y. (Std.)
1 Piston & Pin Ass'y. (.010" OS) (Incl. 43)
1 Ring Set (Std.)
1 Ring Set (.010" OS)
2 Piston Pin Retaining Ring
1 Connecting Rod Ass'y. (Incl. 46)
2 Connecting Rod Bolt
2 Valve Lifter
1 Camshaft (Exhaust MCR) (Incl. 104)
1 Oil Pump Ass'y.
1 Tang Washer
1 Flat Washer
1 PTO Shaft (Mach)
1 R H Worm Gear
1 Retainer Ring
1 Oil Seal
1 * Mounting Flange Gasket
1 Engine Flange (Mach)(Incl. 58, 72 thru 83)
1 Oil Drain Plug
1 Oil Seal
1 Governor Shaft
1 Washer
1 Governor Gear Ass'y. (Incl. 81)
1 Governor Spool
1 Flywheel Key
1 Flywheel
1 Belleville Washer
1 Flywheel Nut
1 Solid State Ignition
1 Spark Plug Cover
2 Screw, Torx T-15, 10-24 x 15/16"
1 Cam Bushing
1 Ground Wire
1 * Cylinder Head Gasket
1 Cylinder Head
1 Exhaust Valve (Std.) (Incl. 151)
1 Exhaust Valve (1/32" OS) (Incl. 151)
1 Intake Valve (Std.) (Incl. 151)
1 Screw, 5/16-18 x 2-41/64"
4 Screw, 5/16-18 x 1-1/2"
8
8
8
9
9
9
1
1
1
1
1
1
1
1
1
1
1
1
OVRM120-22033D
Engine Parts List #1
Page 3 of 6
Ref # Part Number
35 34645
50 31672
51A 40016A
51 31673
53 36649
54 650913
55 35624A
57 650914
58 36629
59 35626
60 35718
61 30063
66 37486
78 29752
82 30088A
84 26756
85 37532
86 34358
87 36580
89 650839
91 36559A
95 610973
00 35727
07 34336
09 30200
15 32410
23 651043
23A 651044
24 36581
38 650932
39 34338
41 36919
43 650898A
45 36905
50 37122
60 37483
61D 651073
62 650831
63 37485
75 36950A
76 36949
77 651039
85 35000A
87 650926
90 29774
92 26460
00 37484
01 36246
05 35647A
06 36996
07 35499
09 650562
10 35648
13 34080
55 590701
70A 36261
70A 36261
70B 35167
Qty Description
1
1
1 Resistor Spark Plug (RN4C)
2 Valve Spring
1 Valve Seal
2 Valve Spring Cap
1 Push Rod Guide
1 Rocker Arm Stud
1 Rocker Arm
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1 Lock Nut
2 Push Rod
1 * Rocker Arm Cover Gasket
1 Rocker Arm Cover (Chrome)
4 Screw, Torx T-30, 1/4-20 x 1/2"
1 Engine Shroud (Orange)
2 Nut & Lock Washer, 1/4-28
2 Screw, 1/4-28 x 1"
1 * Carburetor Gasket
Intake Pipe (Incl. 223 & 224)
1 Governor Link
1 Spacer
2 Screw, 1/4-20 x 3/8"
1 S.E. Brake Ass'y. (Incl. 195)
1 Terminal
1 Control Bracket (Incl. 202 thru 206)
1 Throttle Link
2 Screw, 10-24 x 9/16"
1 Control Knob (Red-239)
1 Lockwasher Screw
1 Screw, 1/4-20 x 2-25/32"
2 * Intake Pipe Gasket
2 Air Cleaner Mtg Screw 10-32 x 49/64"
1 Air Cleaner Gasket
1 Air Cleaner Collar (Black)
4 Shroud Mtg. Screw 10-32 x 27/32"
1 Air Filter
1 Air Cleaner Cover (Black)
1 Blower Housing (Black)
4 Screw T-20 10-16 x 15/32"
2 Screw, 1/4-20 x 1/2"
1 Shroud Mtg Ring
1 Muffler
1 Locking Plate
2 Screw, 1/4-20 x 2-47/64"
1 Starter Cup
2 Screw, 8-32 x 21/64"
1 Fuel Line
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
2 Fuel Line Clamp
1 Fuel Tank (Natural Incl. 292 & 301)
1 Fuel Cap
1 Oil Fill Tube
1 * "O" Ring
1 "O"-Ring
1 Screw, 10-32 x 1/2"
1 Dipstick
3
3
1 Spacer
1 Starter Handle (Tec)
2 Lubrication Decal
1 Lubrication Decal (Replaces 64-831)
1 Control Decal (ISO)
3
3
3
OVRM120-22033D
Engine Parts List #1
Page 4 of 6
Ref # Part Number
70C 37318
70T 37487
80 640274
90 590739
Qty Description
3
3
1 Primer Decal (3 X)
1 Gas Level Decal
1 Carburetor (Incl. 184)
1 Rewind Starter (NOTE: This engine could hav e been built
with 590702 starter).
3
3
4
4
9
9
00 37825
20 730225A
00 0
00 0
1 * Gasket Set (Incl. items marked PK i n notes)
1 SAE 30 4-Cycle Engine Oil (Quart)
1 Replacement Engine 806169
1 Replacement Short Block 750863
OVRM120-22033D
Engine Parts List #2
Page 5 of 6
OVRM120-22033D
Engine Parts List #2
Page 6 of 6
Ref # Part Number
6579
6 32610A
3 31745
4 31747
5 35218A
6 33401
7 33537
8 31744
9 37797
0 36985A
2 36083
5 26208
6 650488
7 650492
03 651007
66 37486
86 34358
00 35727
02 36482
03 31342
04 651029
05 651019
06 610973
09 30200
15 32410
38 650932
43 650898A
45 36905
50 37122
60 37483
61D 651073
62 650831
75 36950A
76 36949
77 651039
87 650926
00 37484
01 36246
55 590701
70C 37318
70B 35167
70A 36261
70A 36261
90 590739
Qty Description
3
1 Intake Pipe
2 Connecting Rod Bolt
1 Tang Washer
1 Flat Washer
1 PTO Shaft (Mach)
1 R H Worm Gear
1 Retainer Ring
1 Oil Seal
4
5
5
5
5
5
5
6
7
7
7
8
8
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
1 * Mounting Flange Gasket
1 Engine Flange (Mach)(Incl. 58, 72 thru 83)
1 Oil Drain Plug
1 Oil Seal
1 Screw, 1/4-20 x 1-1/4"
1 Screw, 1/4-20 x 2-1/4"
2 Screw, Torx T-15, 10-24 x 15/16"
1 Engine Shroud (Orange)
1 Governor Link
1 Control Bracket (Incl. 202 thru 206)
1 Compression Spring
1 Compression Spring
1 Screw, Torx T-10, 5-40 x 7/16"
1 Screw, Torx T-10, 6-32 x 41/64"
1 Terminal
2 Screw, 10-24 x 9/16"
1 Control Knob (Red-239)
2 Air Cleaner Mtg Screw 10-32 x 49/64"
4 Shroud Mtg. Screw 10-32 x 27/32"
1 Air Filter
1 Air Cleaner Cover (Black)
1 Blower Housing (Black)
4 Screw T-20 10-16 x 15/32"
2 Screw, 1/4-20 x 1/2"
1 Muffler
2
2
2
2
2
2
2
3
3
3
1 Locking Plate
2 Screw, 1/4-20 x 2-47/64"
2 Screw, 8-32 x 21/64"
1 Fuel Tank (Natural Incl. 292 & 301)
1 Fuel Cap
1 Starter Handle (Tec)
1 Primer Decal (3 X)
1 Control Decal (ISO)
2 Lubrication Decal
1 Lubrication Decal (Replaces 64-831)
3
3
3
3
3
1 Rewind Starter (NOTE: This engine could hav e been built
with 590702 starter).
9
00 0
1 Replacement Engine 806169
1 Replacement Short Block 750863
900 0