| pos. | decription | spare part number | |
| 2 | Pin, Dowel | 27652 |
| 3 | Seal, Oil | 32630 |
| 4 | Plug, Sq. Hd. Pipe, 1/4-18 (Oil Drain) | 27642 |
| 6 | Yoke, Governor | 30700 |
| 7 | Screw, Fil. Hd. | 650494 |
| 8 | Ring, Retaining | 29642 |
| 9 | Clamp, Governor Lever | 29916 |
| 10 | Screw, Hex Washer Hd. | 29826 |
| 11 | Locknut, Hex | 29216 |
| 12 | Screw, Hex Washer Hd. | 650548 |
| 13 | Lever, Governor | 33454 |
| 15 | Locknut, Hex | 30322 |
| 16 | Baffle, Blower Housing | 29536 |
| 17 | Screw, Hex Washer Hd. | 650561 |
| 20 | Pin, Crankshaft Gear | 29783 |
| 21 | Gear, Crankshaft | 33245 |
| 22 | Piston, Pin & Ring Assy. (Incl. Ref. | 34552 |
| 23 | Ring, Piston Pin Retaining | 27888 |
| 24 | Ring Set, Piston (Std.) | 34332 |
| 24 | Ring Set, Piston (.010 Oversize) | 34333 |
| 24 | Ring Set, Piston (.020 Oversize) | 34334 |
| 26 | Bolt, Connecting Rod | 650662B |
| 27 | Dipper, Oil | 34242 |
| 28 | Lifter, Valve | 34034 |
| 29 | Camshaft (Mech. Compression Release) | 34143 |
| 32 | Bushing, Crankshaft | 33368 |
| 33 | Seal, Oil | 31950 |
| 34 | Shaft, Mechanical Governor | 31845 |
| 35 | Spool, Governor | 30588A |
| 36 | Ring, Retaining | 29193 |
| 38 | Bracket, Governor Gear | 33369 |
| 39 | Screw, Hex Washer Hd. Thread Forming | 650836 |
| 40 | Washer, Flat | 30590A |
| 41 | Screw, Hex Washer Hd. | 650833 |
| 42 | Screw, Hex Washer Hd. | 650832 |
| 45 | Cap, Upper Valve Spring (Exhaust) | 27882 |
| 45 | Seal Assy., Intake Valve | 34689 |
| 46 | Spring, Valve | 27881 |
| 47 | Cap, Lower Valve Spring | 32581 |
| 48 | Screw, Hex Hd. | 650489 |
| 49 | Cover, Spark Plug | 610118 |
| 50 | Wire, Ground | 34240 |
| 51 | Key, Flywheel | 32589 |
| 52 | Screw, Hex Washer Spinlock Hd., Thread Forming | 650738 |
| 53 | Hub & Screen Assy., Starter | 33662 |
| 54 | Washer, Belleville | 650815 |
| 55 | Nut, Hex | 8116 |
| 56 | Head, Cylinder | 34030 |
| 57 | Gasket, Cylinder Head | *34041 |
| 58 | Screw, Hex Flange Hd. | 6021A |
| 59 | Screw, Special Hex Hd. Tapped | 650727 |
| 60 | Washer, Flat | 650691 |
| 61 | Cover, Cylinder Head | 33272 |
| 63 | Screw, Hex Hd. | 650713 |
| 65 | Plug, Spark (Champion J-8 or equivalent) Except for Canada | 33636 |
| 65 | Resistor Spark Plug (Canadian Regulations require RJ-17LM resistor spark plug) | 34251 |
| 66 | Body, Breather | 28423 |
| 67 | Element, Breather | 28424 |
| 68 | Gasket, Breather Cover | *27896 |
| 69 | Cover, Valve Spring | 28425 |
| 70 | Tube, Breather | 27627 |
| 71 | Screw, Fil. Hd. | 650128 |
| 72 | Gasket, Intake | *27915 |
