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greg737 · May 5th, 2019, 05:58 PM

Never, ever use Champion spark plugs in a Pre-Gen EX-250. That has been the rule for a long time.

https://faq.ninja250.org/wiki/Changi...rands_to_avoid

May 5th, 2019, 05:58 PM	#19
greg737 - Name: - Location: - Join Date: May 2009 Motorcycle(s): - Posts: A lot.	Never, ever use Champion spark plugs in a Pre-Gen EX-250. That has been the rule for a long time. https://faq.ninja250.org/wiki/Changi...rands_to_avoid