Tecumseh HSK635-1723C

HSK635-1723C  

Page 1 of 4  

Engine Parts List #1  

HSK635-1723C  

Page 2 of 4  

Engine Parts List #1  

Ref # Part Number  

Qty Description  

1

0

1 Cylinder (Order S/B if replacement is needed)  

1 Air Vane  

1

6B 490291A  

9 570707  

4 530110  

9A 530104A  

9 530150  

0 290602  

3A 570644  

4A 650579  

1 310283A  

2 310289  

3 310167  

5 310235B  

6 650633  

9A 510323A  

9 510292A  

5 510319  

7 530105  

9A 611032  

0 611066  

2 650815  

3 650390  

00 34443C  

01 610118  

03 651007  

05A 650796  

19 510274A  

20 250240B  

31 650477  

35 611049  

63 650838  

69 510325A  

72A 570708  

74 650579  

77A 650959  

84 510326A  

86 490322  

87 570438A  

16 570645  

57 650911  

58 350422  

60 350437  

61 650737  

74 510207A  

77 650869  

85 590551A  

87 650926  

25 29443  

30 611131A  

70K 36695  

80 640086A  

90 590743  

1

2

1 Extension Spring  

1 Ball Bearing  

1 Cartridge Bearing  

1 Needle Bearing & Liner Set (37 Needle s)  

1 Crankshaft  

2

2

3

3

3

1 Cover Plate  

4 Screw, T-25, 10-24 x 1/2"  

1 Piston & Pin Ass'y. (Incl. 43)  

2 Ring Set  

2 Piston Pin Retaining Ring  

1 Connecting Rod Ass'y. (Incl. 29, 29A, & 46)  

2 Connecting Rod Bolt  

1 * Cover Plate Gasket  

1 * Cylinder Cover Gasket  

2 Oil Seal  

1 Cartridge Bearing  

1 Adapter Sleeve  

1 Flywheel  

1 Belleville Washer  

1 Flywheel Nut  

1 Solid State Ignition (Incl. 101)  

1 Spark Plug Cover  

2 Screw, T-15, 10-24 x 15/16"  

4 Stud  

1 * Cylinder Head Gasket  

1 Cylinder Head  

5 Screw, T-30, 1/4-20 x 3/4"  

1 Resistor Spark Plug (RCJ8Y)  

1 Washer  

1 * Compression Release Cover Gasket  

1 Compression Release Cover  

1 Screw, T-25, 10-24 x 1/2"  

2 Screw, 5/32, 1/4-20 x 1"  

2 * Carburetor Gasket  

1 Governor Link  

4

4

4

4

4

6

6

7

7

8

9

9

9

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

3

3

1 Spacer  

1 R.P.M. Adjusting Lever  

4 Screw, T-30, 1/4-20 x 5/8"  

1 Blower Housing Base (Incl. 75)  

1 Blower Housing  

4 Screw, 1/4-20 x 1/2"  

1 * Exhaust Gasket  

2 Screw, 1/4-20 x 2-3/4"  

1 Starter Cup  

3 Screw, 8-32 x 21/64"  

1 Wire Clip  

1 Wire Harness  

1 Starter Decal  

1 Carburetor (Incl. 184)  

1 Rewind Starter (Note: this engine could have been built with  

the 590712 starter)  

3

3

3

400 510324B  

1 Gasket Set (Incl. items marked PK in notes)  

HSK635-1723C  

Page 3 of 4  

Engine Parts List #2  

HSK635-1723C  

Page 4 of 4  

Engine Parts List #2  

Ref # Part Number  

39A 35815  

75C 390332  

83 570434  

84 650431  

20 730227B  

Qty Description  

2

2

1 Air Cleaner Gasket  

1 Muffler (Incl. 274 & 277)  

1 Carburetor Baffle  

2 Screw, T-25, 10-32 x 5/8"  

1 2-Cycle Oil (8 oz.)  

3

3

4