
Note: Arrange the tappets and adjusting washers in the order they are installed.

2. Remove the valves.
a) Using a suitable tool, compress the valve spring and remove the two crackers.

b) Remove the following parts:
- (1) Spring plate;
- (2) Valve spring;
- (3) Valve;
- (4) Spring seat.

Note: Place the valves, valve springs, spring seats and spring retainers in reverse order.

c) Using long-nose pliers, remove the valve stem seals.
Note: Be careful not to scratch the cylinder wall of the tappet, as one scratch will prevent the tappet from seating or the tappet will jam.

3. (ZS-T) Remove the combustion chambers. Use a brass rod as shown in the figure.

