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ELECTRICAL COMPONENTS
W
W
W
W
3
1
a
B. Disconnect the connector and check.
CHECKING THE IGNITION SPARK GAP
1.
Check:
• Engine oil level
Insufficient Add the engine oil.
(Refer to "ENGINE OIL LEVEL" on page 2-11)
2.
Check:
• Spark plug condition
Wear/damage Replace.
(Refer to "SPARK PLUG" on page 2-14)
3.
Check:
• Ignition spark gap
Out of specification Perform the ignition system
troubleshooting, starting with step 3.
(Refer to "ENGINE DOES NOT START" on page
6-4)
Minimum ignition spark gap:
6.0 mm (0.236 in)
TIP
If the ignition spark gap is within specification, the ignition
system circuit is operating normally.
a. Disconnect the spark plug cap "1" from the spark
plug.
b. Connect the ignition checker "2" as shown.
c. Connect the ignition checker lead to spark plug
2
"3" as shown.
Oppama pet–4000 spark checker:
YM-34487
Ignition checker:
90890-06754
d. Pull the recoil starter handle.
e. Measure the ignition spark gap "a".
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