Page 1
HMXL70-132503 Page 1 of 8
Engine Parts List #1
Page 2
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
Page 3
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"
Page 4
Ref # Part Number Qty Description
136 610973 Terminal Assy. (Use as required)
137 650821 Screw, 10-32 x 1/2"
138 34663 Spring, Speed control
139 34667 Link, Governor
141 27793 Clip, Conduit
142 28942 Screw, 10-32 x 3/8"
144 29747B Screw, 5/16-24 x 21/32"
145 33013 Cover, Starter bubble
146 650760 Screw, 8-32 x 3/8"
153 28545 Grommet, Plastic
154 650760 Screw, 8-32 x 3/8"
158 34586 Rod, Choke
168 33272A Cover, Cylinder head
169 650737 Screw, 1/4-20 x 1/2" (Use as required )
HMXL70-132503 Page 4 of 8
Engine Parts List #1
169 650738 Screw, 1/4-20 x 5/8" (Use as required )
169 650713 Screw, 5/16-18 x 5/8" (Use as require d)
169 650802 Screw, 1/4-20 x 5/8" (Use as required )
170 34154 Plate, Upper fuel tank mounting
171 650713 Screw, 5/16-18 x 5/8" (Use as require d)
172 34155 Bracket Assy., Lower fuel tank mtg.
173 650561 Screw, 1/4-20 x 5/8"
174 650665 Screw, 1/4-15 x 7/8"
175 34186A Fuel Tank (Incl. 176 & 178) NOTE: These tanks were built
with different size fuel inlet openings. Tanks with the 1-3/16"
I.D. opening use fuel cap 33032 or 34210. Tanks with the
1-1/2" I.D. opening use fuel cap 35355.
176 33032 Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as
required)
176 410144B Fuel Cap (White Plastic) (Std) (Use a s req.)
176 34210 Fuel Cap (Ref Plastic) (Spurt Resistant, High Profile) (Use as
required)
176 35355 Fuel Cap (Red Plastic) (Use as requir ed)
177 29774 Fuel Line (Use as required) (8.25") ( 21 cm)
177 30705 Fuel Line (Use as required) (16.0") ( 41 cm)
177 30962 Fuel Line (32.0") (81 cm)
178 26460 Clamp, Fuel line (Use as required)
186 27930A * Gasket, Exhaust (Use as required)
187 33280A Muffler
188 31588 Plate, Muffler locking
189 650729 Screw, 5/16-18 x 3-3/16"
194 35287 Cup, Starter
195A 35446 Screen, Starter (Stationary)
196 29752 Nut, Whiz lock, 1/4-28
199 35392 Plug, Starter
260G 35532 Decal, Name
273 631021 Inlet Needle, Seat & Clip Assy.
274 632464 Carburetor (Incl. 115) (Refer to Division 5, Section A, page
186 for breakdown)
276 590633 Rewind Starter (Refer to Division 5, Section C, page 30 for
breakdown)
280 33279G * Gasket Set (Incl. items marked *)
Page 5
HMXL70-132503 Page 5 of 8
Engine Parts List #2
Page 6
Ref # Part Number Qty Description
108A 34696 Tube, Breather
108B 32446 Grommet, Breather tube
134 31342 Spring, Compression
135 650549 Screw, 5-40 x 7/16"
136 610973 Terminal Assy. (Use as required)
141 27793 Clip, Conduit
142 28942 Screw, 10-32 x 3/8"
158 34586 Rod, Choke
177 29774 Fuel Line (Use as required) (8.25") ( 21 cm)
177 30705 Fuel Line (Use as required) (16.0") ( 41 cm)
177 30962 Fuel Line (32.0") (81 cm)
190B 33323 Screen, Muffler (Use as required)
190C 650578 Screw, 8-18 x 3/8" (Use as required)
190 391026 Muffler (Incl. 190A, 190B & 190C) (This spark arrestor
HMXL70-132503 Page 6 of 8
Engine Parts List #2
mufflercan be used on any model)
190A 33700 Cover & Tube, Muffler (Use as require d)
193 34479 Spark Arrestor Kit (Fits "L" shaped m ufflers)
260B 34704 Decal, Air cleaner
Page 7
HMXL70-132503 Page 7 of 8
Engine Parts List #3
Page 8
Ref # Part Number Qty Description
78 611090 Flywheel
81 650872 Stud, Solid State mounting
82A 610118 Cover, Spark plug (Use as required)
82 35135 Solid State Assy.
83 650814 Screw, Torx T-15, 10-24 x 1"
231 27272A * Gasket, Air cleaner
237 650513 Nut, Wing, 1/4-20
243 35044 Air Cleaner Elbow Assy.(Incl.244,245, 246,250)
244 Pop Rivet (1/8" dia.) (Can be bought locally)
245 34699 Bracket, Air cleaner
246 34698A * Gasket, Air cleaner elbow
247 30675 Fitting, Breather tube
248 34697 Elbow, Air cleaner
249 650163 Screw, 10-32 x 7/8"
HMXL70-132503 Page 8 of 8
Engine Parts List #3
250 650851 Stud, 1/4-20 x 8.1
251 35045 Bracket, Air cleaner
252 650852 Nut, 1/4-20
253 650825 Nut & Lockwasher, 1/4-20
255A 34687 Air Cleaner, Starter Can be used on HM70 with diecast
starter
255B 34869 Bracket, Starter air cleaner Can be used on HM70 with
diecast starter
255C 34870 Instruction Decal Can be used on HM70 with diecast starter.
255 730572 Starter Muff Kit (Incl. 255A, 255B, & 255C) Can be used on
HM70 with diecast starter
256E 34387 Instruction Decal Can be used on HM70 with stamped steel
recoil starter.
256D 650907 Screw, 5/16-18 x 1-5/8" Can be used on HM70 with stamped
steel recoil starter
256 730573 Debris Screen Kit (Incl. 256A thru 25 6E) Can be used on
HM70 with stamped steel recoil starter
256C 35570 Seal, Screen Can be used on HM70 with stamped steel
recoil starter
256B 35569 Spacer, Screen Can be used on HM70 with stamped steel
recoil starter
256A 35568 Debris Screen Can be used on HM70 with stamped steel
recoil starter
260B 34704 Decal, Air cleaner
278 33329D Starter Motor Kit (110-120 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 has been added (see #279).
Refer to service number stamped on end cap ofmotor, or
decal fo
279 610847 Flywheel (Ring gear flywheel requiredon engine using
110-120 Volt starter motor kits listed above.) (Use on Std.
point ignition)
279 611091 Flywheel (Minimum ring gear flywheel required on engine
using 110-120 Volt starter motor kits listed above.) (Use on
Solid State ignition)
Loading...