Inspection

Check the following and replace if necci mended spark plug: page 3-2) ■ Insulator for damage

• Electrodes for wear

• Burning condition, coloration

This motorcycle's spark plug is eauipped v/ith on iridium renter electrode. Replace the spark plug if the e'ecjroties are contaminated.

If the electrodes are contaminated with accumulated objects or dirt, replace the spark plug.

Replace the plug if the center electrode is rounded as shown in the illustration.

Always use specified spark plugs on this motorcycle

SPECIFIED SPARK PLUG: NGK: IMR9A-9H DENSO: IUH27D

ELECTRODE

ELECTRODE

ROUNDED ELECTRODE

CONNECTORS

DIRECT IGNITION COILS

Spark Plugs For Xtz750

SPARK PLUG WRENCH

aging the indium center electrode, use a wire type feeler gouge to check the spark plug gap.

Do not adjust the spark ping pap. If the gap is out of specification, repiacc with it a new one.

Check the yap between the center and side electrodes with a wire type feeler gauge.

Make sure that the 0 1.0 mm <0.04 in) plug gauge does not go between the gap.

If the gauge can be inserted into the gap, replace the plug with a new one.

Reinstall the spark plug in the cylinder head and hand tighten, then torque to specification.

If using the new plug, install as follows: Install and hand tighten the new spark plug, then tighten it about 1/2 turn after the sealing washer contacts the seat of the plug hole.

wirf TYPr rrnXR gauge

Install the direct ignition coils. Connect the connectors to the associated direct ignition coil.

Install the radiator grommet onto the frame hoss.

WRENCH

SPARK

WRENCH

CONNECTORS

DIRECT IGNITION COILS

Install the washer and radiator upper mounting bolt. UppER MOUNTING BOLT/WASHER £ then tighten the boll.

Install and tighten the radiator lower mounting bolt/nut.

Connect the fan motor sub-harness 2P (Black) connector.

Install the inner half cowl and lower cowl (page 2 5).

bolt

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