2-6 PERIODIC MAINTENANCE
SPARK PLUGS
• Remove all of the spark plugs.
NOTE:
If it is difficult to remove any of the spark plug caps, pry them up
using a screwdriver.
# 09930-10121: Spark plug wrench set
09900-20803: Thickness gauge
CARBON DEPOSITS
Check to see if there are carbon deposits on the spark plug.
If carbon is deposited, remove it using a spark plug cleaner
machine or carefully use a tool with a pointed end.
SPARK PLUG GAP
Measure the spark plug gap using a thickness gauge.
If out of specification, regap the spark plug.
" Spark plug gap: 0.6 – 0.7 mm
# 09900-20803: Thickness gauge
Inspect every 6 000 km (6 months) and replace every
12 000 km (24 months).
Standard Cold type
NGK CR8EK CR9EK
DENSO U24ETR U27ETR
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