NGK Spark Plug for Honda CM400E | 80-81

These are the NGK Spark Plugs for your Honda CM400E | 80-81

Plug Gap Setting

0.028

Standard NGK Spark Plug

DR8EA

Premium NGK Spark Plug

DR8EIX

How to Check & Set Propper Gap for Your CM400E | 80-81 NGK Spark Plug.

Question:
What is the correct spark plug gap for a Honda CM400E | 80-81?

Answer:
0.028

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