Timing Chain Tensioner: Service and Repair

Cam Chain Auto-Tensioner Removal and Installation

Removal

1. Remove the cam chain case cover.






2. Turn the crankshaft counterclockwise to compress the cam chain auto-tensioner.






3. Rotate the crankshaft counterclockwise to align the holes on the lock (A) and the cam chain auto-tensioner (B), then insert a 1.2 mm (3/64 in) diameter pin (C) into the holes. Turn the crankshaft clockwise to secure the pin.

NOTE: If the holes in the lock and the cam chain auto-tensioner do not align, continue to rotate the crankshaft counterclockwise until the holes align, then install the pin.






4. Remove the cam chain auto-tensioner.






Installation

1. Install the cam chain auto-tensioner.

NOTE: Check the cam chain auto-tensioner cam position. If the position is not aligned, set the first cam to the first edge of the rack.






2. Remove the pin or lock pin from the cam chain auto-tensioner.






3. Remove all of the old liquid gasket from the cam chain case cover mating surfaces, the bolts, and the bolt holes.

4. Clean and dry the cam chain case cover mating surfaces.

5. Apply liquid gasket (P/N 08717-0004, 08718-0003, 08718-0004, or 08718-0009) to the cam chain case mating surface of the cam chain case cover and to the inside edge of the threaded belt holes. Install the component within 5 minutes of applying the liquid gasket.

NOTE:

- Apply a 3 mm (0.12 in) diameter bead of liquid gasket along the broken line (A).
- If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes.
- If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.





6. Install the cam chain case cover.

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 cam chain case.