NGK Spark Plug for Yamaha RT1B

These are the NGK Spark Plugs for your Yamaha RT1B

Plug Gap Setting

0.028

Standard NGK Spark Plug

BR9ES

Premium NGK Spark Plug

BR9EIX

How to Check & Set Propper Gap for Your RT1B NGK Spark Plug.

Question:
What is the correct spark plug gap for a Yamaha RT1B?

Answer:
0.028

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