2-6
INSPECTIONS / ADJUSTMENTS
SPARK PLUG
● Remove the plug maintenance cover.
● Remove the spark plug cap and disassemble the plug.
● Check the plug for damage, contamination or deposits.
● If the spark plug is severely contaminated or damaged,
raplace with a new one. If the plug can be reused after
removing only the carbon, use plug cleaner and wire
brush to clean the plug.
● Always use a feeler gauge to check the gap.
GENUINE PLUG : CR8EH-9
SPARK PLUG : 0.8~0.9mm
TORQUE VALUE :
1.2kgf
·
m
● Loosen the lock nut with a valve wrench, and set valve
clearance to a prescribed level by turning the adjusting
screw with a valve adjusting wrench.
● After setting clearance to the prescribed level, hold the
adjuster screw with a valve adjusting wrench, and
tighten the lock nut.
TORQUE VALUES : 0.8kgf
·
m
TOOLS : WRENCH 8X9mm
ADJUSTING WRENCH B
FEELER GAUGE
● Measure the valve clearance again.
● Install the cylinder head cover and tighten the bolts.
TORQUE VALUES : 0.9 kgf
·
m
CYLINDER COMPRESSION PRESSURE
● Start and warm up the engine.
● Remove the plug maintenance cover.
● Stop engine, and remove the spark plug cap and spark
plug.
● Install a compression gauge.
● Open the throttle completely, and crank the engine with
the starter motor until the gauge reading rising.
TOOL : COMPRESSION GAUGE
COMPRESSION PRESSURE : 14.0 kg/cm
2
● If the pressure is low, check the following:
-Inadequate valve clearance adjustment
-Valve leakage
-Leakage from the cylinder head gasket
-Piston/cylinder worn
● If pressure is high, check the following:
-Carbon deposits on the piston head, and cylinder head.
•Make sure there is no dirt or debris on the seat of the
spark plug hole before inserting the spark plug.
•To prevent damage to the cylinder head, hand-
tighten the spark plug before using a wrench to
tighten to the specified torque.
•Do not overtighten the spark plug.
CHECK GAP,
DEPOSITS
0.8 ~ 0.9mm
CHECK FOR
CRACKS
CHECK WASHER
FOR DAMAGE
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