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spark plugs

  1. Help Forum
    Hi.The tlr is about to complete 12000km from the last time i replaced the spark plugs.The 03 R6 also,the same as my friends gsxr1000 K8.All are running iridium ngk spark plugs.The manuals state change spark plugs every 12000km.I have not much experience on the life of spark plugs on these type...
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