Valve Clearance Inspection

Measure the valve clearance as follows.
1. Turn the crankshaft clockwise so that the No.1 piston is at TDC of the compression stroke.
2. Measure the valve clearance at A in the figure.
  - If the valve clearance exceeds the standard, replace the tappet. (See VALVE CLEARANCE ADJUSTMENT .)
  NOTE:
  - Make sure to note the measured values for choosing the suitable replacement tappets.
  Standard valve clearance [when cold]
  
  IN: 0.22-0.28 mm {0.009-0.011 in}
  
  EX: 0.27-0.33 mm {0.011-0.012 in}
3. Turn the crankshaft 360° clockwise so that the No.4 piston is at TDC of the compression stroke.
4. Measure the valve clearance at B in the figure.
  - If the valve clearance exceeds the standard, replace the tappet. (See VALVE CLEARANCE ADJUSTMENT .)
    
    Fig 1: Identifying Valve Clearance Measuring Locations (A And B)
  NOTE:
  - Make sure to note the measured values for choosing the suitable replacement tappets.
  Standard valve clearance [when cold]
  
  IN: 0.22-0.28 mm {0.009-0.011 in}
  
  EX: 0.27-0.33 mm {0.011-0.012 in}