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Expert
267 Answers
- Posted on May 07, 2010
Re: Spark plugs need changeing what type are best
Stock plug is NGK CR9E, but Denso Irridium IU27 is best. Cost more but better economy and starting.
Any manufacturer will have the equivalent NGK plug for your bike on their chart, with two or three types for your preferred riding style.
Cheers.
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