Question about 1999 Honda CBR 900 RR Fireblade

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Spark plug poped ot of my 99 crb 900 and want go back in like the threds are mesed up

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Yes, the threads did get damaged when the plug popped out. Most likely, the plug was not in properly or tightened so that there were several threads in play. Take your plug to any autoparts store and either borrow or buy a tap of the proper thread size to recut the threads in the cylinder. this is a bit tricky because it has to be straight, so if you are not comfortable doing this yourself have a bike shop do it. Good luck. Joe

Posted on Nov 18, 2009


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