Oil Jet Inspection: K20Z3

1. Remove the oil jet, and inspect it as follows.
   • Make sure that a 1.1 mm (0.04 in.) diameter drill will go through the nozzle hole (A) (1.2 mm (0.05 in.) diameter).
   • Insert the other end of a 1.1 mm (0.04 in.) drill into the oil intake (1.2 mm (0.05 in.) diameter). Make sure the check ball (B) moves smoothly and has a stroke of approximately 4.0 mm (0.16 in.).
   • Check the oil jet operation with an air nozzle. It should take at least 200 kPa (2.0 kgf/cm² , 28 psi) to unseat the check ball.
   NOTE: Replace the oil jet assembly if the nozzle is damaged or bent.
   Fig 1: Identifying Nozzle Hole And Check Ball

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Carefully install the oil jet. The mounting torque is critical.

Torque: 16 N.m (1.6 kgf.m, 12 lbf.ft)