Yamaha FX10X - Page 44

2-3
INSP
ADJ
SPARK PLUGS/FUEL LINE INSPECTION
ENGINE
SPARK PLUGS
1.Remove:
• Left side cover
Refer to “COVERS” in CHAPTER 3.
2.Remove:
• Ignition coils
• Spark plugs
3.Inspect:
• Electrodes 1
Damage/wear → Replace the spark plug.
• Insulator color 2
Abnormal color → Replace the spark plug
Normal color is medium-to-light tan.
4.Measure:
• Spark plug gap a
Out of specification → Regap.
Use a wire thickness gauge.
If necessary, clean the spark plugs with a spark
plug cleaner.
Standard spark plug:
NGK CR9E (NGK)
Before installing a spark plug, clean the gasket sur-
face and spark plug surface.
5.Install:
• Spark plugs
NOTE:
Finger-tighten a the spark plug before torquing b
it to specification.
Spark plug gap:
0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
T
R
.
.
Spark plug:
13 Nm (1.3 m · kg, 9.4 ft · lb)
FUEL LINE INSPECTION
1.Remove:
• Fuel tank cover
Refer to “SEAT AND FUEL TANK” in CHAP-
TER 5.
2.Inspect:
• Fuel hose 1
Cracks/damage → Replace.
1