Small Engines Identification Small Engine Parts
1. Sump or Crankcase
2. Cylinder
3. Piston
4. Bottom part of piston-Skirt
5. Piston Pin Boss
6. Piston Rings
7. Compression Ring
7a.
8. Bottom Compression Ring or Scraper Ring
8a.
9. Oil Ring
9a.
10. Connecting rod
10a. Connecting rod in piston
11. Rod Cap
12. Piston Pin with retainers
13. Rod Cap
14. Rob Cap Bolts- Fine Threaded
15. Rod Cap Retainer
16. Crankshaft
22. Magneto Journal
23. Crankpin Journal
24. PTO Journal
25. Valves
27. Intake Valve- Larger in diameter
28. Valve Face
29. Valve Seat
Valve Guide
Spring Rotator
30. Valve Stem
31. Valve Retainer Groove
32. Valve Spring- Heavier one goes on exhaust valve
33. Valve Retainer
34. Lifter or tappet or push rod
35. Cam Lobes
36. Cam
37. Timing Marks
38. Cylinder Head
40. Flywheel
41. Armature outside coil inside
42. Air Gap
43. Spark Plug
44. Points and Condensor
45. Air Vane Govenor
46. Oil Slinger
47. Carburetor
48. Oil Foam Filter
49. Recoil Spring for rope starter
50. Starter
51. Starter Clutch