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  1. Compatible Spark Plugs to Ninja 400

    Ninja 400 General Discussion Forum
    Hello guys! I'm from Brazil and I'm loking to buy new spark plugs to replace the original ones. Nowdays my ninja has around 6850 miles. Does someone of you guys around the world tried a B-RISK spark plug model? A friend of mine said that CR10YS SILVER 1715 is compatible to our bike. I'm loking...