Yamaha EF6600DE - Troubleshooting Engine Start Issues (EF6600 DE); Battery;Starter Motor and Oil Level Issue Diagnosis; Spark Plug Check Troubleshooting Flow

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Faulty battery and/or starter motor.
Consult a Yamaha dealer.
E
I Check engine oil level.
J OK K Level low
Consult a
Yamaha dealer.
Add engine oil.
O Check the spark plug.
9 Type: BPR4ES
9 Gap: 0.7–0.8 mm (0.028–0.031 in)
P Incorrect Q OK
Replace or
adjust gap.
Clean the spark
plug.
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