2-8 PERIODIC MAINTENANCE
SPARK PLUG GAP
Measure the plug gap with the thickness gauge if it is correct. If
not, adjust it to the following gap.
$ Spark plug gap

A:
Standard: 0.7 – 0.8 mm
% 09900-20803: Thickness gauge
ELECTRODE’S CONDITION
Inspect the worn or burnt condition of the electrodes. If it is
extremely worn or burnt, replace the plug. And also replace the
plug if it has a broken insulator, damaged thread, etc.
!
INSTALLATION
!
• Install the spark plug to the cylinder head by finger tight, and
then tighten it to the specified torque.
# Spark plug: 11 N·m (1.1 kgf-m)
FUEL LINE
Inspect the fuel hoses for damage and fuel leakage. If any
defects are found, the fuel hoses must be replaced.
Confirm the thread size and reach when replacing the
plug. If the reach is too short, carbon will be deposited
on the screw portion of the plug hole and engine dam-
age may result.
Before using a spark plug wrench, carefully turn the
spark plug by finger into the threads of the cylinder
head to prevent damage the aluminum threads.
Inspect every 4 000 km (2 500 miles, 20 months) there-
after.
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