VALVE CLEARANCE INSPECTION

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1. 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.

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    Standard [Engine cold]
    IN: 0.22—0.28 mm {0.0087—0.0110 in}
    EX: 0.27—0.33 mm {0.0106—0.0130 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.)
      Note
      • Make sure to note the measured values for choosing the suitable replacement tappets.
    Standard [Engine cold]
    IN: 0.22—0.28 mm {0.0087—0.0110 in}
    EX: 0.27—0.33 mm {0.0106—0.0130 in}