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== == standard spark plug: DR8ES-L Spark plug gap: 0.6 -0.7 mm (0.023 - 0.028 in)

tighthening torque: 20 Nm (14.5 ft-lb)

0.6-0.7 is your gap settings.

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16y ago
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Q: What is the spark plug gap for a Yamaha Seca 400?
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