Honda

NGK Spark Plug for Honda CB400A | 1978

These are the NGK Spark Plugs for your Honda CB400A | 1978

Plug Gap Setting

0.028

Standard NGK Spark Plug

DR8EA

Premium NGK Spark Plug

DR8EIX

How to Check & Set Propper Gap for Your CB400A | 1978 NGK Spark Plug.

Question:
What is the correct spark plug gap for a Honda CB400A | 1978?

Answer:
0.028

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