Page 89 - 2019 SHOP MANUAL CRF1000/A/D

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MAINTENANCE
Pull the right radiator to outside (page 3-5).
[1]
Remove the spark plug cap [1].
Remove the No.2 cylinder sub plug [2] using the
equipped spark plug wrench.

[2]

Remove the spark plug cap [1].
[1] [2]
Remove the No.2 cylinder main plug using the
equipped spark plug wrench [2].
Inspect or replace the spark plug as described in the
MAINTENANCE SCHEDULE (page 3-2).
Replace new Install and hand tighten the spark plug to the cylinder
spark plugs as head, then tighten the spark plug to the specified torque
set. using the equipped spark plug wrench.
TORQUE:22 N·m (2.2 kgf·m, 16 lbf·ft)
Connect the spark plug caps securely.
Install the removed parts in the reverse order of
removal.

• Route the hose and wire properly (page 1-26).

INSPECTION
Check the following and replace the spark plug if
necessary. [2]
• Insulator [1] for damage
• Center electrode [2] and side electrode [3] for wear [3]
• Coloration or burning condition

This motorcycle's If the electrodes are contaminated with accumulated
spark plugs are objects or dirt, replace the spark plug.
equipped with an SPECIFIED SPARK PLUG: SILMAR8A9S (NGK)
iridium center [1]
electrode. Replace
the spark plug if the
electrode is
contaminated.

To prevent Check the gap between the center and side electrodes
damaging the with a wire type feeler gauge [1]. [1]
iridium center Make sure that the Φ 1.0 mm (0.04 in) plug gauge can
electrode, use a not be inserted between the gap.
wire type feeler
gauge to check the
spark plug gap.

Do not adjust the If the gauge can be inserted into the gap, replace the
spark plug gap. If plug with a new one.
the gap is out of
specification,
replace it with a new
one.

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