NGK Spark Plug for Yamaha XS400 | 77-84

These are the NGK Spark Plugs for your Yamaha XS400 | 77-84

Plug Gap Setting

0.032

Standard NGK Spark Plug

BPR7ES

Premium NGK Spark Plug

BPR7EIX

How to Check & Set Propper Gap for Your XS400 | 77-84 NGK Spark Plug.

Question:
What is the correct spark plug gap for a Yamaha XS400 | 77-84?

Answer:
0.032

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