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Spark Plug replace interval.

3K views 7 replies 3 participants last post by  ouzi 
#1 ·
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 of bikes,but it seems to me that only for street use the interval is too short.How long can they last?How long do you guys keep them?Thanks in advance.
 
#3 ·
Yes.Cars change plugs in longer intervals.But in high performance engines i'm not sure what to do.
 
#5 ·
How many km/miles have you done in this years?
 
#6 ·
In all honesty I don't know but nowhere near as many as a lot of people do................I had 2 consecutive years where I only did about 300 miles each year?
 
#7 ·
Do you know how many miles others did with 2 spark plugs?Thanks.
 
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