Acura 2003 NSX, Owner'S Manual

Page: 204 / 303

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Spark Plug Gap:
Torque the spark plug. (If you do
not have a torque wrench, tighten
the spark plug two-thirds of a turn
after it contacts the cylinder head.)
Tightening torque:
Reconnect the ignition coil to the
wire harness.
Install the ignition coil. Install and
tighten the two hold-down bolts to:
Tightening torque:
After changing the three spark
plugs on each side, reinstall the
spark plug covers, bolts and nuts.
Tighten the bolts and nuts.
Tightening torque:
NGK:
DENSO:
6.
7.
8.
9.
Spark Plugs
Maintenance
Specif ications:
201
SPARK PLUG SOCKET
0.04 in (1.1 mm)
PK20PR-L11
PFR6L-11
13 lbf·ft (18 N·m , 1.8 kgf·m)
9 lbf·ft (12 N·m , 1.2 kgf·m)
9 lbf·ft (12 N·m , 1.2 kgf·m)
0
0.1 mm
Tighten the spark plugs caref ully. A
spark plug that is too loose can
overheat and damage the engine.
Overtightening can cause damage to
the threads in the cylinder head.