OHH60-71116C Page 1 of 5
Engine Parts List #1
Ref # Part Number Qty Description
1 37126 Cylinder (Incl. 2, 20 & 72)1
2 26727 Dowel Pin2
14 651052 Washer1
15 37158 Governor Rod1
16 37162 Governor Lever1
30 34745 Crankshaft1
35 651053 Screw, Torx T-25, 10-32 x 63/64"1
37 29216 Lock Nut, 10-321
38 37109 Retaining Ring1
40 40004 Piston, Pin & Ring Set (Std.)1
40 40005 Piston, Pin & Ring Set (.010" OS)1
41 36070 Piston & Pin Ass'y (Std.) (Incl. 43)1
41 36071 Piston & Pin Ass'y (.010" OS) (Incl. 43)1
42 40006 Ring Set (Std.)1
OHH60-71116C Page 2 of 5
Engine Parts List #1
42 40007 Ring Set (.010" OS)1
43 20381 Piston Pin Retaining Ring2
45 32875A Connecting Rod Ass'y (Incl. 46 & 49)1
46 32610A Connecting Rod Bolt2
48 35616 Valve Lifter2
49 36611 Oil Dipper1
50 37040 Camshaft (Incl. 253 & 254)1
64 651015 Screw, 1/4-20 x 1-1/8"1
69 36624 Cylinder Cover Gasket1
70 37159 Cylinder Cover (Incl. 75 thru 83)1
72 27642 Oil Drain Plug1
75 28460 Oil Seal1
80 37160 Governor Shaft1
81 30590A Washer1
82 37161 Governor Gear Ass'y (Incl. 81)1
83 35322 Governor Spool1
86 650488 Screw, 1/4-20 x 1-1/4"8
89 610961 Flywheel Key1
111B 611226 Rocker On/Off/LOS Switch1
111 611207 Low Oil Sensor (Incl. 112)1
112 35967 Low Oil Sensor Gasket1
113 650950 Screw, Torx T-25, 10-24 x 5/8"4
119 36719 * Cylinder Head Gasket1
120 36721 Cylinder Head1
125 36471 Exhaust Valve (Std.) (Incl. 151)1
125 36472 Exhaust Valve (1/32" OS) (Incl. 151)1
126 37711 Intake Valve (Std.) (Incl. 151)1
126 29315C Intake Valve (1/32" OS) (Incl. 151)1
130 650912 Screw, 5/16-18 x 1-1/2"4
130A 650999 Screw, 5/16-18 x 2-41/64"1
135 34645 Resistor Spark Plug (RN4C)1
150 37039 Valve Spring2
151 31673 Valve Spring Cap2
153 36649 Push Rod Guide1
154 650913 Rocker Arm Stud2
155 35624A Rocker Arm2
157 650914 Nut, 1/4-282
158 36629 Push Rod2
159 35626 * Rocker Arm Cover Gasket1
160 36630A Rocker Arm Cover1
161A 651012 Stud2
161 651008 Screw, 1/4-20 x 31/64"2