These are the NGK Spark Plugs for your Yamaha XS650 | 77-83
How to Check & Set Propper Gap for Your XS650 | 77-83 NGK Spark Plug.
Question:
What is the correct spark plug gap for a Yamaha XS650 | 77-83?
Answer:
0.032
Get complete specs for your Yamaha XS650 | 77-83 >