How long will my spark plug last? - Kawasaki KLR 650 Forum
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post #1 of 4 Old 06-18-2010, 01:21 PM Thread Starter
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How long will my spark plug last?

I got 4500 miles on my '08, I'm conservative, I keep it below 5500 rpms, I like to use high octane gas, how long will the spark plug hold out?

-Mike

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post #2 of 4 Old 06-18-2010, 01:58 PM
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I've got 12,000 miles on the original plug and haven't thought about changing it. Spark plugs tend to be like oil - we change them too soon. In this case it's only one so pretty cheap. Just a pain in the butt to get at.

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post #3 of 4 Old 06-18-2010, 02:10 PM
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Mike -

I'm coming up on 14K on my '08 with the original plug. Seems OK; last time I pulled (at about 10K) it it looked like new.

klr4evr's right, though. They're cheap. I keep meaning to buy one and put it in the next time I'm in there. Probably should have a spare in my kit anyway...

Tom

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post #4 of 4 Old 06-18-2010, 03:38 PM
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I change em' every 10K on the KLR.. Almost to 20K, so I better get out there and spend another $2.75 for a plug..

Only reason I change them is that I do a 10K service to most of my bikes, changing all fluids and all wear parts.. My new chain and sprockets are in a box, right behind me.. I'll admit, they're replacing the originals at 20K.. I figure 20K is enough for the stock stuff.
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