Yamaha FX10X Service Manual page 44

SPARK PLUGS/FUEL LINE INSPECTION

• Left side cover

Refer to "COVERS" in CHAPTER 3.

• Ignition coils

• Spark plugs

• Electrodes 1

Damage/wear → Replace the spark plug.

• Insulator color 2

Abnormal color → Replace the spark plug

Normal color is medium-to-light tan.

• Spark plug gap a

Out of specification → Regap.

Use a wire thickness gauge.

Spark plug gap:

0.7 ~ 0.8 mm (0.028 ~ 0.031 in)

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.

• Spark plugs

13 Nm (1.3 m · kg, 9.4 ft · lb)

Finger-tighten a the spark plug before torquing b

it to specification.

FUEL LINE INSPECTION

• Fuel tank cover

Refer to "SEAT AND FUEL TANK" in CHAP-

• Fuel hose 1

Cracks/damage → Replace.

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