Yamaha KT100SEC - IGNITION SYSTEM CHECKS; CHECKING THE SPARK PLUG; SPARK PLUG GAP SPECIFICATIONS; TIGHTENING THE SPARK PLUG

3-10
INSP
ADJ
ELECTRICAL
CHECKINGTHESPARKPLUG
TIGHTENTHESPARKPLUG
1.Inspect:
●
Electrode
Wear/Damage→Replace.
Dirt/Carbon deposit → Clean the spark plug
withasparkplugcleanerorwirebrush.
Wear/Damage→Replace.
●
pluggap
Outofspecification→Regap.
●
Finger-tightenthesparkplugbeforetorquing
tospecification
 .
●
Before installing the spark plug, clean the
gasketsurfaceandplugsurface.
●
Do not tighten the plug above the specified
torque.
NOTE:
When the engine runs for many hours at low
speeds, the spark plug insulator will become
sooty,eveniftheengineandcarburetorarein
goodoperatingcondition.
NOTE:
Removeamudanddustfromthecylinderhead
beforeremovingthesparkplug.
NOTE:
Sparkplug
1.5〜2.5kg・m
Sparkpluggap
0.6〜0.7mm
Standardsparkplug
B9EVX
Manufacturer
NGK
Do not run the kart with a plug gap larger
thanthespecifiedvalue.
Donottightenthesparkplugwithaplugwrench
fromthestart.Itmaydamagethescrewthread
inthecylinderhead.
CAUTION:
CAUTION: