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HS50-67242F
Page 1 of 8
Engine Parts List #1
HS50-67242F
Page 2 of 8
Engine Parts List #1
Ref # Part Number
Qty Description
Cylinder (Incl. 2, 20, 72 & 72A)
1
33674B
26727
2
Pin, Dowel
1
1
1
1
1
1
2
4 28277
5 31334
6 31510
7 31335
8 650548
9 31426
0 32600
5A 650139
5B 30322
5 33342
6 650561
0 34740
2 32323
Washer, Flat
Rod, Governor
Lever, Governor
Clamp, Governor lever
Screw, 8-32 x 5/16"
Spring, Extension
Seal, Oil
Screw, 8-32 x 1/2" (Use as required)
Locknut, 8-32 (Use as required)
Baffle, Blower housing
Screw, 1/4-20 x 5/8"
Crankshaft
Washer, Thrust NOTE: This thrust washer maynot be
required if a new crankshafthas been installed. Check the
proper Mechanic's Handbook for acceptable end play. Use
this .010" thrust washer if excess end play is measured.
2
2
2
2
3
3
4
0 34535
0 34536
0 34537
1 33562B
1 33563B
1 33564B
2 33567
2 33568
2 33569
3 20381
5 32875
6 32610A
8 27241
9 32654
0 34688
0 29745
1 34126
2 650760
3 28545
4A 8345
4 30063
5 650128
9 27677A
0 34678
2 27642
5 27897
6 30318
0 30574
1 30590A
2 30591
3 30588A
4 29193
6 650488
9 610961
0 611081
2 650815
3 650816
00 34443A
01 610118
Piston, Pin & Ring Set (Std.)
Piston, Pin & Ring Set (.010" OS)
Piston, Pin & Ring Set (.020" OS)
Piston & Pin Ass'y. (Std.) (Incl. 43)
Piston & Pin Ass'y. (.010" OS) (Incl. 43)
Piston & Pin Ass'y. (.020" OS) (Incl. 43)
Ring Set (Std.) (2-13/16" Bore)
Ring Set (.010" OS)
4
4
4
4
4
4
4
4
4
4
4
4
4
5
6
6
Ring Set (.020" OS)
Ring, Piston pin retaining
Rod Assy., Connecting (Incl. 46 & 49)
Bolt, Connecting rod
Lifter, Valve
Dipper, Oil
Camshaft (Extended)
Extension, Blower housing
Bracket, Grommet mounting
Screw, 8-32 x 3/8"
Grommet, Plastic
Washer, Flat
Screw, 1/4-20 x 1/2"
Screw, 10-24 x 1/2"
* Gasket, Cylinder cover
Cover, Cylinder (Incl. 75, 76 & 80)
Plug, Pipe, 1/4-18
Seal, Oil
Seal, Oil
Shaft, Mechanical governor
Washer, Flat
Gear, Governor
Spool, Governor
Ring, Retaining
Screw, 1/4-20 x 1-1/4"
Key, Flywheel
Flywheel (w/ring gear)
Washer, Belleville
Nut, Flywheel
Solid State Assy.
6
6
6
6
6
6
7
7
7
7
8
8
8
8
8
8
8
9
9
9
1
1
Cover, Spark plug
HS50-67242F
Page 3 of 8
Engine Parts List #1
Ref # Part Number
02 650872
03 650814
10 35557
19 33554A
20 33016A
25 29313C
25 29315C
26 32644A
26 32645A
27 650691
29 650818
30 6021A
31 650694A
35 33636
50 31672
51 31673
71 31410
74 650128
78 29752
82 6201
82A 650870
83 34583
84 26756
85 33691
86 32698
00 33858A
Qty Description
Stud, Solid state mounting
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Screw, Torx T-15, 10-24 x 1"
Wire, Ground
* Gasket, Cylinder head
Head, Cylinder (Incl. 131)
Exhaust Valve (Std.) (Incl. 151)
Exhaust Valve (1/32" OS) (Incl. 151)
Intake Valve (Std.) (Incl. 151)
Intake Valve (1/32" OS) (Incl. 151)
Washer, Flat
Screw, 5/16-18 x 1-1/2"
Screw, 5/16-18 x 1-1/2"
Screw, 5/16-18 x 2"
Resistor Spark Plug (RJ-8C)
Spring, Valve
Cap, Valve spring
Element, Breather
Screw, 10-24 x 1/2"
Nut & Lockwasher Assy., 1/4-28
Screw, 1/4-28 x 7/8"
Screw, 1/4-28 x 1-11/16"
Bracket, Choke
* Gasket, Carburetor
Pipe, Intake
1
1
1
1
1
1
1
1
1
Link, Governor to throttle
2
Control Bracket (Incl.25A, 25B, 204 & 206) NOTE: In
original productionthe speed control assembly may be riveted
to the blower housing baffle. Replacement speed control
includes screws (650139) and nuts (30322) for mounting.
Replacement baffle (33342) has threaded holes. Pop rivets
may be used, wh
2
03 31342
04 650549
06 610973
10 27793
15 32410
19 34582
20 35438
22 28820
23 650664
24 33673A
61 29212
67 34212
68 30200
72 650735
73 33333
74 33670A
75 35771
77 650327
85 34694
91 30705
92 26460
98 650665
00 34711
Spring, Compression
Screw, 5-40 x 7/16"
Terminal Assy.
Clip, Conduit
Knob, Speed control
Rod, Choke
Knob, Choke control
Screw, 10-32 x 1/2"
Screw, 1/4-20 x 1-19/32"
* Gasket, Intake pipe
Screw, 1/4-28 x 7/16"
Bracket, Hold down
Screw, 10-24 x 9/16"
Screw, 10-24 x 3/8"
Bracket, Carburetor cover
* Gasket, Exhaust
Muffler (Incl. 274)
Screw, 1/4-20 x 2-1/2"
Cup, Starter
Fuel Line (16") (40cm)
Clamp, Fuel line
Screw, 1/4-15 x 7/8"
Fuel Tank (Incl. 292 & 301) NOTE: These tanks were
builtwith different size fuel inlet openings. Tanks with the
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
1
-3/16" I.D. opening use fuel cap 34210. Tanks with the
1-1/2" I.D. opening use fuel cap 35355.
HS50-67242F
Page 4 of 8
Engine Parts List #1
Ref # Part Number
01 34210
05 33893A
07 33590
10 34676
13 34080
28 35062
29 610973
30 35285
35 35072
38 650257
39 28212
40 28371B
41 34182
42 650805
42A 650675
45 33344
50 570682
51 32180C
52 33341
53 650884
70B 34144
70C 35282
70D 34414
70A 35312
70 34346
79 631021
80 632107
Qty Description
Fuel Cap
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Tube, Oil fill
"O" Ring
Dipstick (Incl. 307)
Spacer, Flywheel key
Key, Ignition
Terminal Assy.
Wire, Ground
Cover, Carburetor
Screw, 8-32 x 5/16"
Spacer, Tank bracket
Fuel Tank Bracket
Fuel Tank Bracket
Screw, 1/4-20 x 11/16"
Washer, Flat
3
3
3
3
3
Baffle, Heat
Primer Assy.
Line, Primer
Extension, Baffle
Screw, 8-32 x 1/2"
Decal, Primer
Decal, Instruction
Decal, Warning
Decal, Instruction
Decal, Instruction
Inlet Needle, Seat & Clip Assy.
3
3
3
3
3
3
3
3
Carburetor (Incl. 184) (Refer to Division 5, Section A, page
68 for breakdown)
1
4
4
4
00 33683B
20 730225
21 730226
* Gasket Set (Incl. items marked *)
SAE 30, 4-Cycle Engine Oil (Quart)
SAE 5W30, 4-Cycle Engine Oil (Quart)
HS50-67242F
Page 5 of 8
Engine Parts List #2
HS50-67242F
Page 6 of 8
Engine Parts List #2
Ref # Part Number
6 31510
8 650548
0 34678
5 27897
6 650488
9 610961
69A 31619A
70A 31337A
71 31410
74 650128
78 29752
22 28820
74 33670A
77 650327
80 632107
Qty Description
Lever, Governor
1
1
7
7
8
8
Screw, 8-32 x 5/16"
Cover, Cylinder (Incl. 75, 76 & 80)
Seal, Oil
Screw, 1/4-20 x 1-1/4"
Key, Flywheel
* Gasket, Breather
Body, Breather Assy. (Incl. 169A & 17 1)
Element, Breather
Screw, 10-24 x 1/2"
Nut & Lockwasher Assy., 1/4-28
Screw, 10-32 x 1/2"
* Gasket, Exhaust
1
1
1
1
1
2
2
2
3
Screw, 1/4-20 x 2-1/2"
Carburetor (Incl. 184) (Refer to Division 5, Section A, page
68 for breakdown)
1
415 730165
Muffler Adapter Kit (Incl.64 & 274) ( As req.)
HS50-67242F
Page 7 of 8
Engine Parts List #3
HS50-67242F
Page 8 of 8
Engine Parts List #3
Ref # Part Number
0 611081
2 650815
3 650816
00 34443A
01 610118
02 650872
03 650814
60 34813A
61 29212
61A 650168
85 34694
86 35354
87 29752
13 34080
59 34127
60 32576
70H 34387
70J 34870
90 590473
Qty Description
Flywheel (w/ring gear)
9
9
9
1
1
1
1
2
Washer, Belleville
Nut, Flywheel
Solid State Assy.
Cover, Spark plug
Stud, Solid state mounting
Screw, Torx T-15, 10-24 x 1"
Housing, Blower
Screw, 1/4-28 x 7/16"
Washer, Flat (Used on early productio n)
Cup, Starter
Screen, Starter cup (stationary)
Nut & Lockwasher, 1/4-28
Spacer, Flywheel key
Guard, Starter
2
2
2
2
2
3
3
3
Seal, Snow guard
Decal, Instruction (Optional)
Decal, Instruction (Optional)
Rewind Starter (Refer to Division 5, Section C, page 29 for
breakdown)
3
3
3
396 33290D
Electric Starter Motor Kit (120 Volt) This 110-120 volt starter
motor kit may have been added to this engine. It can be
added only if cylinder hasdrilled and tapped starter mounting
bosses and a ring gear flywheel. Refer to service number
stamped on end cap of motor, or on decal, for identification
425 730571
Starter Muff kit (Incl. 370J, 426 & 4 27) Can be used with
stamped steel starter
4
26 32203
Starter Air Cleaner Can be used with stamped steel starter
Bracket, Starter air cleaner Can be used with stamped steel
starter
427 32204
430 730574
Debris Screen Kit (Incl.370H,431,432, 433) Can be used
with E-Z pull starter
4
4
4
31 35596
32 35597
33 650910
Screen, Debris Can be used with E-Z pull starter
Bracket, Debris screen Can be used with E-Z pull starter
Screw, 8-32 x 1/4" Can be used with E-Z pull starter
