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4. Check the spark plug type and gap a.
NOTE:
The spark plug gap should be measured with a wire
thickness gauge and, if necessary, adjusted to specifi-
cation.
5. Install the spark plug.
NOTE:
If a torque wrench is not available when installing a
spark plug, a good estimate of the correct torque is
1/4-1/2 turn past finger tight. However, the spark plug
should be tightened to the specified torque as soon as
possible.
6. Install the spark plug cap.
7. Install the front cover and tighten the bolts.
2. Remove the spark plug cap and then remove the
spark plug.
3. 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.
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760-7XF
a
760-001a
AE01051
Spark plug inspection
The spark plug is important engine components, which
should be checked periodically.
1. Remove the bolts 1, and then pull outward on the
areas of front cover 2 shown.
Standard Spark Plug:
BPR4ES (NGK)
Spark Plug Gap:
0.7–0.8 mm (0.028–0.031 in)
Spark Plug Torque:
20.0 N•m (2.00 kgf•m, 14.8 lbf•ft)
1
2
788-7XFa
7XF-28199-10_b 08.1.31 9:21 Page 23