S5 Workshop Manual
Engine
EM-48
Use special tool (JACF115) to
compress spring and install lock latch.
After installing valve, before loosening
valve spring compressor, make sure that
the locking latch is located at its proper
position.
Notes:
■ When the spring is
compressed, inspect whether the sealing piece of valve rod isn't
compressed onto the bottom of spring seat.
Clean the gasket surface of engine
body and cylinder cover.
Confirm identification mark on the
cylinder cover gasket.
When installing washer, make the
marked surface upwards cylinder head.
Notes:
■ Inspect and measure the length of each
cylinder head bolt.
Max. length: 99.4 mm
Tighten bolts to the specified torque.
Tightening torque
The used parts (cylinder head bolts, cylinder head, cylinder body): 20
N•m
+ 90°+ 90°
New parts (even if only one part is replaced): 64
N•m
＋
loosening
＋
20
N•m
+ 90° +
90°
EM079
EM078
The front of the engine
The front of the engine
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