Harley-Davidson

NGK Spark Plug for Harley-Davidson XZ90

These are the NGK Spark Plugs for your Harley-Davidson XZ90

Plug Gap Setting

0.025

Standard NGK Spark Plug

BPR5ES

Premium NGK Spark Plug

BPR5EIX

How to Check & Set Propper Gap for Your XZ90 NGK Spark Plug.

Question:
What is the correct spark plug gap for a Harley-Davidson XZ90?

Answer:
0.025

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Get complete specs for your Harley-Davidson XZ90 >