The LRFIX Piston Valve Clearance Calculator determines the clearance between the piston and valve to avoid interference.

How to Use This Piston Valve Clearance Calculator

  1. Enter Values: Input the piston diameter, cylinder bore, piston-to-wall clearance, and valve diameter.
  2. Calculate: Click "Calculate" to get the valve clearance.

Formula: Valve Clearance=(D+C)−(P+V)

Where:

  • D = Piston Diameter
  • C = Cylinder Bore
  • P = Piston-to-Wall Clearance
  • V = Valve Diameter

Common Questions:

  • Not sure about measurements? Refer to your engine’s manual or use approximate values.
  • Why is valve clearance important? Ensures proper valve function and prevents engine damage.
  • Results seem off? Double-check your inputs, contact us, or consult a mechanic. This is a helpful tool, but it is not a mechanic and can't be trusted to perform mechanical duties, especially without ever seeing your engine.