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Cylinder Head Cover Installation

  1. Thoroughly clean the head cover gasket and the groove.
  2. Install the head cover gasket (A) in the groove of the cylinder head cover (B).
    Fig 1: Identifying Head Cover Gasket And Cylinder Head Cover
    G06265564Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check that the mating surfaces are clean and dry.
  4. Apply liquid gasket, P/N 08717-0004,08718-0001, 08718-0002, 08718-0003, or 08718-0009, on the chain case and the No. 5 rocker shaft holder mating areas.
    NOTE: Do not install components if too much time has passed after applying the liquid gasket (for P/N 08718-0002, no more than 4 minutes, for all others, no more than 5 minutes). Instead, remove the old residue and reapply the liquid gasket.
    Fig 2: Applying Liquid Gasket On Chain Case And No. 5 Rocker Shaft Holder
    G06265565Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Set the spark plug seals (A) on the spark plug tubes. Place the cylinder head cover (B) on the cylinder head, then slide the cover slightly back and forth to seat the head cover gasket.
    Fig 3: Identifying Spark Plug Seals, Cylinder Head Cover And Washers
    G06265566Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Inspect the cover washers (C). Replace any washer that is damaged or deteriorated.
  7. Tighten the bolts in two or three steps. In the final step tighten all bolts, in sequence, to 12 N.m (1.2 kgf.m, 8.7 lbf.ft).
    NOTE:
    • Wait at least 30 minutes before filling the engine with oil.
    • Do not run the engine for at least 3 hours after installing the head cover.
    Fig 4: Identifying Bolts Tightening Sequence
    G06265567Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Install two bolts (A) securing the evaporative emission (EVAP) canister purge valve bracket.
    Fig 5: Installing Bolts Securing Evaporative Emission (EVAP) Canister Purge Valve Bracket With Torque Specifications
    G06265568Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the breather hose (B) and the dipstick (C).
  10. Connect the evaporative emission (EVAP) canister purge valve connector.
  11. Install the four ignition coils (see IGNITION COIL REMOVAL/INSTALLATION ).
  12. Install the engine cover.
    Fig 6: Engine Cover With Torque Specifications
    G06265569Courtesy of AMERICAN HONDA MOTOR CO., INC.
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