Cylinder Head Installation

  1. Select a cylinder head gasket according to the highest piston head projection value.
    Piston Head Projection Value
    Part No.
    Gasket Mark
    Letter
    Notch
    0.485−0.535 mm (0.0191−0.0211 in.)
    12251-RBD-E01
    A
    1
    0.535−0.585 mm (0.0211−0.0230 in.)
    12252-RBD-E01
    B
    2
    0.585−0.635 mm (0.0230−0.0250 in.)
    12253-RBD-E01
    C
    0
    0.635−0.685 mm (0.0250−0.0270 in.)
    12254-RBD-E01
    D
    3
    0.685−0.735 mm (0.0270−0.0289 in.)
    12255-RBD-E01
    E
    4