Cylinder Head

Camshaft Inspection (cont'd)

6-33  

  1. Check the total runout with the camshaft supported on V-blocks.
  • If the total runout of the camshaft is within the service limit, replace the cylinder head.
  • If the total runout is beyond the service limit, replace the camshaft and recheck the camshaft-to-holder oil clearance. If the oil clearance is still beyond the service limit, replace the cylinder head.

Camshaft Total Runout:

Standard (New):

0.03 mm (0.001 in.) max.

Service Limit:

0.04 mm (0.002 in.)

  1. Measure cam lobe height.

    Cam Lobe Height Standard (New):

      INTAKE EXHAUST
    PRI 32.791 mm

    (1.2910 in.)

    32.772 mm

    (1.2902 in.)

    MID 35.534 mm

    (1.3990 in.)

    34.768 mm

    (1.3688 in.)

    SEC 32.678 mm

    (1.2865 in.)

    32.661 mm

    (1.2859 in.)


PRI: Primary             MID: Mid

SEC: Secondary       C/C: Cam Chain