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Tightening cylinder head bolts
1. Place the Head bolt plate on the cylinder head.
2. Tighten each head bolt to 294 N
l
[217 lbf
ft] torque (initial torque).
3. The head bolt plate has graduations at 30° inter-
vals. Place a reference point mark on each head
bolt.
4. Tighten each bolt 30°. After tightening all bolts,
turn each bolt another 30° (totally 60°).
Installing the rocker case
1. Insert the water outlet connector fully into the
rocker case.
2. Install the rocker case so it meets the dowel pins
3. Tighten the rocker case mounting bolts to the
specified torque.
4. Insert the water outlet connector by sliding it from
the next rocker case after coating the O-ring with
grease. Install the snap ring.
Installing valve bridges and caps
1. Coat the bridge guides with engine oil (A), then
install the bridges to the guides with the adjusting
screws positioned on the exhaust manifold side.
2. Coat the bridge contact face of the bridge caps
(A) with engine oil. Install the caps in position, be-
ing careful not to let them fall into the crankcase
through the push rod holes.
Installing rocker shaft assemblies
1. Install the spacer (A) on the rocker shaft and
mount the rockers on both sides.
2. Align the pin hole of the rocker shaft with the po-
sitioning pin, and install the rocker shaft assem-
bly to the rocker case. Move the rocker arm up
and down to make sure that the arm is free.
NOTE! While tightening the bracket mounting bolts
temporarily, install the bracket in place so the rocker
tip comes in contact with the bridge caps evenly.
NOTE! Tighten the long bolt securing the head and
rocker bracket first, then tighten the short bolt to the
specified torque.
Group 21 Engine Body
l
m (30 kgf
l
m)
89
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