NGK Spark Plug for Harley-Davidson All Models | 73-74

These are the NGK Spark Plugs for your Harley-Davidson All Models | 73-74

Plug Gap Setting

0.02

Standard NGK Spark Plug

BR8ES

Premium NGK Spark Plug

BR8EIX

How to Check & Set Propper Gap for Your All Models | 73-74 NGK Spark Plug.

Question:
What is the correct spark plug gap for a Harley-Davidson All Models | 73-74?

Answer:
0.02

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