[top posting and incorrect attribution levels fixed]

You've obviously got a different engine in your Focus, than I have
in mine.

Look, I have had the cam cover off my Focus and I can say from actual
first hand experience- there are NO shims on top of the buckets of my
2000 model year US-spec Focus 2.0l Zetec-E engine.

I also have the printed genuine Ford service manual and I have the
genuine Ford service manual CD, all of which are in agreement.

I can even give you part numbers for these shimless buckets.

So- who's confused, you or me?

Here's the relevant section from the CD, pay special note to:

"Exchange the tappets to correct the valve clearance."

and:

7.      Note:
The number on the tappet indicates the tappet thickness.
Determine the tappet thickness required.
Remove the adjusting tappet and read the thickness from the back side.
Determine the tappet thickness required and insert the correct tappet.

-------------------------------------------------------------------

2000 Focus Table of Contents
Group 3: Powertrain
Section 303-01D: ENGINE ? 2.0L ZETEC-E
GENERAL PROCEDURES

Valve Clearance (212130)

Special Service Tool(s)

Remover, Spark Plug Wire
303-106 (T74P-6666-A)

Adjust

CAUTION:
Exchange the tappets to correct the valve clearance.

CAUTION:
Disconnect the battery ground cable.

1.      Note:
Do not remove the upper timing belt cover.

Undo the bolts in the upper timing belt cover.

CAUTION:
Do not pull the spark plug connectors by the cable when removing them. If
necessary pull off the ignition leads from the ignition coils to prevent
kinking the cables. Slightly twist the spark plug connectors before
removing them in order to loosen the seals.

CAUTION:
Pull off each spark plug connector straight, in the direction the spark
plug points (use Special Tool 303-106 for angled spark plug connectors).

2.      Note:
Loosening sequence: from the outside to the inside, working diagonally.

Remove the cylinder head cover.

1               Pull off the spark plug connectors.

2               Detach the crankcase ventilation hose.

3               Unscrew the 10 bolts.

3.      CAUTION:
Only rotate the engine on the crankshaft and in its rotation direction.

Set the engine to TDC on cylinder number 1.

4.      Note:
Note down each cylinder number and the valve clearances measured.

Measure the valve clearance using feeler gauges.

Permitted valve clearance: inlet (0.11 - 0.18 mm)

Permitted valve clearance: exhaust (0.27 - 0.34 mm)

5.      CAUTION:
Only rotate the engine on the crankshaft.

Measure the valve clearance (continued).

Rotate the engine a further 180 degrees on the crankshaft in its rotation
direction. In this instance, the measuring sequence follows the firing
order 1-3-4-2.

Repeat the previous steps for the other cylinders.

Note:
Only carry out the following steps when the valve clearance must be adjusted.

6.      Remove the camshafts.For additional information, refer to Camshaft
in this Section..

Note:
Aim to set the valve clearances to the middle of the range (inlet 0.15
mm; exhaust 0.30 mm)

7.      Note:
The number on the tappet indicates the tappet thickness.

Determine the tappet thickness required.

Remove the adjusting tappet and read the thickness from the back side.

Determine the tappet thickness required and insert the correct tappet.

Inlet valves: tappet thickness required = thickness of currently installed
tappet + measured valve clearance - 0.15 mm.

Exhaust valves: tappet thickness required = thickness of currently
installed tappet + measured valve clearance - 0.30 mm.

8.      CAUTION:
Set the piston on cylinder number 1 to approximately 25 mm before TDC.

Install the camshafts and camshaft timing belts.For additional
information, refer to Camshaft in this Section..

Note:
Do not attach the timing belt until the setting is in order.

9.      Note:
Turn the camshaft to measure the valve clearance.

Recheck the valve clearance after adjustment is complete.

10.     Install the timing belt.For additional information, refer to
Timing Belt in this Section..

11.     CAUTION:
Use a blunt object (a plastic cable tie) to apply the silicone grease,
to avoid damaging the spark plug connector.

CAUTION:
Slide on the spark plug connector keeping it in line with the spark plug.

Note:
Apply silicone grease to the inside of the spark plug connector to a
depth of 5-10 mm.

Install the cylinder head cover.

Insert the 10 bolts and tighten them in two stages.

Stage 1: 2 Nm.

Stage 2: 7 Nm.

Attach the crankcase ventilation hose.

Fit the spark plug connectors and make sure that they engage correctly.

12.     Note:
Check that the gasket on the upper timing belt cover is seated correctly
and adjust if necessary.

Install the upper timing belt cover.

13.     Connect the battery ground cable.

Carry out a road test to enable the PCM to collect data.

14.     Check the fluid levels and adjust if necessary.

15.     Check that the vacuum hoses and cables are routed correctly and
fix in place using cable ties.