HM80-155162E Page 3 of 11
Engine Parts List #1
Ref # Part Number Qty Description
125 27878A Exhaust Valve (Std.) (Incl. 151)
125 27880A Exhaust Valve (1/32" OS) (Incl. 151)
126 34035 Intake Valve (Std.) (Incl. 151)
126 34036 Intake Valve (1/32" OS) (Incl. 151)
127A 26073 Washer, Flat (Use as required)
127A 650570 Washer, Flat (Use as required)
127 650691 Washer (Use as req., but not w/6021A screw)
128 650690 Washer, Belleville
129 650727 Screw, 5/16-18 x 1-3/4" (Use as requi red)
130 650694A Screw, 5/16-18 x 2" (Use as required)
130A 6021A Screw, 5/16-18 x 1-1/2" (Use as required, but do notuse with
650691 washer)
131A 650713 Screw, 5/16-18 x 5/8" (Use as require d)
131A 792028 Screw, 5/16-18 x 7/8" (Use as require d)
131 650802 Screw, 1/4-20 x 5/8" (Use as required )
131 650737 Screw, 1/4-20 x 1/2" (Use as required )
131 650738 Screw, 1/4-20 x 5/8" (Use as required )
135 33636 Resistor Spark Plug (RJ17LM)
139 33369 Bracket, Governor gear
140 650836 Screw, 10-24 x 1/2"
149 27882 Cap, Upper valve spring
149A 27882 Cap, Upper valve spring
150 27881 Spring, Valve
151 32581 Cap, Lower valve spring
169 27896A * Gasket, Breather cover
170 28423 Body, Breather
171 28424 Element, Breather
172 28425 Cover, Valve spring
173 35350 Tube, Breather
174 650128 Screw, 10-24 x 1/2"
174 650597 Screw, 10-24 x 5/8"
178 29752 Nut & Lockwasher, 1/4-28
179B 30593 Clip, Primer line (Use as required)
182 30088A Screw, 1/4-28 x 1"
184 33263 * Gasket, Carburetor
185 33877 Pipe, Intake
200 33461A Control Bracket (Incl. 19, 19A, 203 & 204)
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
206 610973 Terminal Assy. (Use as required)
210 27793 Clip, Conduit
211 28942 Screw, 10-32 x 3/8"
223 650378 Screw, Torx T-30, 5/16-18 x 1-1/8 "
224 27915A * Gasket, Intake pipe
260 33375D Blower Housing (For electric starter)
261 650788 Screw, 5/16-18 x 3/4" (Use as require d)
262 29747B Screw, 5/16-24 x 21/32"
265 33272B Cover, Cylinder head
275 33756A Muffler
275C 35824 Muffler (Optional quiet muffler)
276 31588 Plate, Muffler locking
277A 650696 Screw, 5/16-18x2-3/4" (Used with 276A )
277 650729 Screw, 5/16-18 x 3-3/16"
281 33013 Cover, Starter bubble
282 650760 Screw, 8-32 x 3/8"
