2. MAINTENANCE
9
2-5 Spark Plug Service
Recommended spark plugs: F7RTC
or other
equivalents
1)
Remove the spark plug cap.
2)
Use the plug wrench to remove the spark plug.
3)
Visually inspect the spark plug if the insulator is
cracked, if cracked, replace with a new spark plug.
4)
Measure the plug gap with a feeler gauge. Correct as
necessary by carefully bending the side electrode. The gap
should be: 0.70-0.80 mm
5)
Check that the spark plug washer is in good condition.
6)
Install the spark plug on and screw down it with plug wrench,
compress the plug washer. Cover the spark plug cap on.
To avoid cross-threading, first, screw in spark plug by
hand, then tighten with a spark plug wrench to compress
the gasket ( according to the arrowhead picture).
If use a new spark plug, more twist 1/2 turns after
compressing the gasket
If reinstalling the used spark plug, just more twist 1/8-1/4
turns.
Spark plug torque value
：
22±2N·m.
SPARK PLUG CAP
PLUG WRENCH
