Checking The Spark Plugs - Yamaha FZS1000N Service Manual

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ADJUSTING THE THROTTLE CABLE FREE PLAY/

CHECKING THE SPARK PLUGS

CHECKING THE SPARK PLUGS

The following procedure applies to all of the

spark plugs.

1. Disconnect:

spark plug cap

Before removing the spark plugs, blow away

any dirt accumulated in the spark plug wells

with compressed air to prevent it from fal-

ling into the cylinders.

spark plug type

Spark plug type (manufacturer)

U27ESR-N (DENSO)

Abnormal color

Normal color is a medium-to-light tan color.

(with a spark plug cleaner or wire brush)

spark plug gap a

(with a wire gauge)

Out of specification

Spark plug gap

0.7 X 0.8 mm (0.028 X 0.031 in)

Replace the spark plug.

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