REMOVAL
CYLINDER HEAD ON
1. Rotate crankshaft until piston is at TDC on compression.
2. Remove cylinder head cover (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL).
3. Remove camshafts (Refer to 9 - ENGINE/CYLINDER HEAD/CAMSHAFT(S) - REMOVAL).
4. Mark valve tappet location for assembly.
5. Remove valve tappets.
6. With air hose attached to adapter tool installed in spark plug hole, apply 90-120 psi air pressure.
CAUTION: Care must be taken not to damage the tappet bore or engine damage may result.
7. Using metric valve keeper tool (1) such as Snap-on® GA317 (or equivalent), and remove valve spring keepers and retainer.
8. Remove valve spring(s).
9. Remove valve stem seal(s) by a using valve stem seal tool .
CYLINDER HEAD OFF
1. With cylinder head removed from cylinder block, place a ball of rags in the combustion chamber.
CAUTION: Care must be taken not to damage the tappet bore or engine damage may result.
2. Mark valve tappet location for assembly.
3. Remove valve tappets.
4. Using metric valve keeper tool such as Snap-on® GA317 (or equivalent) remover (1) , remove valve keepers with a downward push.
5. Remove retainer and springs.
6. Before removing valves, remove any burrs from valve stem lock grooves to prevent damage to the valve guides. Identify valves, locks and retainers to insure installation in original location.
7. Inspect the valves. (Refer to 9 - ENGINE/CYLINDER HEAD/VALVE SPRINGS - INSPECTION).