Tecumseh HMXL70-132503 User Manual

HMXL70-132503 Page 1 of 8
Engine Parts List #1

Ref # Part Number Qty Description

1 35488 Cylinder (Incl. 3,4,4A,5)(3-1/8")(CI liner)
3 27642 Plug, Pipe (1/4-18)
4 35319 Seal, Oil

4A 35400 Bushing, Crankshaft

5 27652 Pin, Dowel
6 29536 Blower Housing Baffle (No knock-out for electric start) (Use

as required)

6 35256A Blower Housing Baffle (With knock-out for electricstart) (Use

as required)

6 35326 Baffle, Blower housing
7 650561 Screw, 1/4-20 x 5/8"

8B 33245 Crankshaft Gear (Used on early produc tion)

8 35442B Crankshaft

HMXL70-132503 Page 2 of 8
Engine Parts List #1

8A 29783 Crankshaft Gear Pin (Used on early pr od.)

9 34552 Piston, Pin & Ring Set (Std.) (3-1/8" )
9 34553 Piston, Pin & Ring Set (.010" OS)

9 34554 Piston, Pin & Ring Set (.020" OS)
9A 34329A Piston & Pin Ass'y. (Std.)(Incl.10)(3 -1/8")
9A 34330A Piston & Pin Ass'y. (.010" OS) (Incl. 10)
9A 34331A Piston & Pin Ass'y. (.020" OS) (Incl. 10)

10 27888 Ring, Piston pin retaining
11 34332 Ring Set (Std.) (3-1/8" Bore)
11 34333 Ring Set (.010" OS)
11 34334 Ring Set (.020" OS)
17 35373A Rod Assy., Connecting (Incl. 18, 19 & 19A)
18 35374 Dipper, Oil

18A 32590 Plate, Lock & Oil dipper (This plate may be replaced by No.

34242 oil dipper but No. 650662C screw must be used.)

19 650908 Bolt, Connecting rod (1 pc.)

19A 650882 Bolt, Connecting rod (2 pcs. on early production;1 pc. on

current production)

20 34034 Lifter, Valve
21 35375 Camshaft (MCR)
22 33273A Extension, Blower housing
23 650128 Screw, 10-24 x 1/2"
24 35262 * Gasket, Cylinder cover
25 35376 Cover, Cylinder (Incl. 26, 27, 37, 58 A & 59)
26 35377 Bushing, Crankshaft
27 35319 Seal, Oil
33 30699C Rod Assy., Governor (Incl. 34 & 35)

33A 30699B Rod, Governor (This one piece governor rodis no longer used.

It is replaced by No. 30699C assembly, Ref. No. 5A.)

34 30700 Yoke, Governor
35 650494 Screw, 6-40 x 5/16"
36 29642 Ring, Retaining
37 31845 Shaft, Mechanical governor
38 30588A Spool, Governor
39 30590A Washer, Flat
40 29193 Ring, Retaining
41 35378 Gear Assy., Governor (Incl. 39)
42 33369 Bracket, Governor gear
43 650836 Screw, 10-24 x 1/2"
49 29916 Clamp, Governor lever

Ref # Part Number Qty Description

50 29826 Screw, 10-32 x 3/4"
51 29216 Locknut, 10-32
52 33454 Lever Assy., Governor
53 29918 Lockwasher, No. 8 E.T.
54 650548 Screw, 8-32 x 5/16"
55 30322 Locknut, 8-32
56 650832 Screw, 1/4-20 x 1-11/16"
57 650833 Screw, 1/4-20 x 1-3/16"
58 34974 Dipstick (Incl. 59)
59 29673 * Gasket, Oil fill
66 27878A Exhaust Valve (Std.) (Incl. 70)
66 27880A Exhaust Valve (1/32" OS) (Incl. 70)
67 34035 Intake Valve (Std.) (Incl. 70)
67 34036 Intake Valve (1/32" OS) (Incl. 70)

HMXL70-132503 Page 3 of 8
Engine Parts List #1

68A 34689 Seal, Assy., Intake valve

68 27882 Cap, Upper valve spring
69 27881 Spring, Valve
70 32581 Cap, Lower valve spring
76 32589 Key, Flywheel
77 29443 Clip, Fuel line

77B 35558 Retainer, Wire

78 611090 Flywheel
79 650880 Washer, Lock
80 650881 Nut, Hex, 5/8-18
81 650872 Stud, Solid State mounting
82 35135 Solid State Assy.

82A 610118 Cover, Spark plug (Use as required)

83 650814 Screw, Torx T-15, 10-24 x 1"
95 35557 Ground Wire
96 34041A * Gasket, Cylinder head
97 34030 Head, Cylinder
98 650692 Screw, 5/16-18 x 1-3/4" (Use as requi red)
98 6021A Screw, 5/16-18 x 1-1/2" (Use as required, but do notuse No.

650691 washer.)

98 650711 Screw, 5/16-18 x 1-5/8" (Use as required) (Can use No.

6021A but discard No. 650691 washer.)

99 33636 Resistor Spark Plug (RJ-8C)
100 650691 Washer (Use as req.) (Do not use w/60 21A)
101 650727 Screw, 5/16-18 x 1-3/4" (Use as requi red)
102 650690 Washer, Belleville
103 650694A Screw, 5/16-18 x 2"
104 27896A * Gasket, Breather
105 28423 Body, Breather
106 28424 Element, Breather
107 28425 Cover, Breather
109 650128 Screw, 10-24 x 1/2"
114 29752 Nut, Whiz lock, 1/4-28
115 26756 Gasket, Carburetor
117 34707 Pipe, Intake
119 650378 Screw, Torx T-30, 5/16-18 x 1-1/8"
120 27915A * Gasket, Intake
130 34833A Blower Housing (For electric starter)
133 34664 Control Bracket (Incl. 134, 135, 136 & 138)
134 31342 Spring, Compression
135 650549 Screw, 5-40 x 7/16"