Note: Make sure the valves move freely in the guide.
2. Install the spring seats in the cylinder head.
3. Install the valve seals using the special tool (figure in the right column above).
Note: The exhaust and intake valve seals are not interchangeable.
4. Install the valve spring and valve disc, then install the valve spring compressor. Compress the spring and install crackers.
1. inlet valve seal; 2. white spring; 3. outlet valve seal; 4. black spring; 5. mandrel for valve seals, 07pad-0010000. note: use 5.5mm diameter side; 6. valve seal. replace.
Note: Install the spring with the narrow pitch end towards the cylinder head.
5. Use a plastic mallet to lightly tap the tip of each valve stem two or three times to lock the valve and crutches into place.
Note: Only strike the valve stems perpendicular to the axis so as not to bend the stems.