Spark Plug Inspection - Yamaha EF2000iS Manuel D'utilisation

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Spark plug inspection

The spark plug is an important engine component,
which should be checked periodically.
1. Remove the screws, and then remove the cover.
1 Screw
2 Cover
7PB-030
2. Remove the spark plug cap and cap, and insert
4
the tool through the hole from the outside of the
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cover.
3 Spark plug cap
4 Cap
7DK-053
3. Insert the handlebar into the tool and turn it coun-
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terclockwise to remove the spark plug.
5 Tool
6 Handlebar
7DK-054
4. Check for discoloration and remove the carbon.
The porcelain insulator around the center elec-
trode of spark plug should be a medium-to-light
tan color.
5. Check the spark plug type and gap.
a Spark plug gap
Standard spark plug:
Spark plug gap:
760-001a
TIP
The spark plug gap should be measured with a wire
thickness gauge and, if necessary, adjusted to specifi-
cation.
BPR6HS (NGK)
0.6–0.7 mm (0.024–0.028 in)
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