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  1. C109Riders
    The stock plug for the 08 C109r is listed as a NGK CR7EK. When I go to my local Autozone they list a alternate Bosch Platinum +2 plug part #4303. Has anyone tried these yet? If so what are your thoughts? ??? NGK Bosch .
  2. How to, step by step
    I tried a search and couldn't find any step by step instructions on how to change the spark plugs,and what tools I would need. Could anybody help me with this please.
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