Camshaft Sprocket Removal

NOTE: Keep the cam chain away from magnetic fields.

Remove the cylinder head cover (see CYLINDER HEAD COVER REMOVAL ).
Make a reference mark (A) across the camshaft sprocket and the cam chain.

Fig 1: Making Reference Mark Across Camshaft Sprocket And Cam Chain
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Apply new engine oil to the slider surface of the cam chain tensioner slider through the oil return hole in the cylinder head.

Fig 2: Applying Engine Oil To Slider Surface Of Cam Chain Tensioner Slider Through Oil Return Hole In Cylinder Head
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the cylinder head plug.

Fig 3: Removing Cylinder Head Plug
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Hold the crankshaft pulley, and set the socket wrench (A) on the camshaft sprocket bolt.

Fig 4: Setting Socket Wrench On Camshaft Sprocket Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the maintenance bolt (B), and turn the camshaft clockwise to compress the cam chain tensioner, then install the 6 x 1.0 mm bolt (C) in the bolt hole (D) in the engine block through the maintenance hole and cam chain tensioner (E).
NOTE:
- The turning torque should not exceed 56 N.m (5.7 kgf.m, 41 lbf.ft) when turning the camshaft.
- Do not turn the camshaft counterclockwise.
Hold the camshaft with a 27 mm open-end wrench, then remove the camshaft sprocket.
NOTE: Hang the cam chain with a wire.

Fig 5: Removing Camshaft Sprocket
Courtesy of AMERICAN HONDA MOTOR CO., INC.