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← 4.4 Engine components

Measuring a bore for wear

Power Mechanics · Grade 10 · about 40 minutes

Where to measure a cylinder bore, and how six readings give taper and ovality where one gives nothing.

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  • 6 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
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Other lessons in this sub-strand

  1. The main components of an engine
  2. The cylinder block
  3. The cylinder head
  4. The piston
  5. Piston rings
  6. The connecting rod
  7. The crankshaft and flywheel
  8. Bearings and the oil film
  9. Valves and the valve train
  10. The camshaft and its drive
  11. The sump, oil pump and gaskets
  12. Sketching engine components
  13. Measuring tools
  14. Reading a micrometer
  15. Measuring a bore for wear
  16. From measurement to decision