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Old 12-11-2008, 12:32 AM   #1
Da9tegra
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yzf600r sparkplugs?

just a quick question I figured one of you guys might be able to answer. I have a set of NGK plugs brand new in my tool box, they are for a cbr but I am wondering if they might fit my yamaha. They are number cr9eh-9. I tried to google it but couodnt find a number for the yami plugs only the cbr ones.

If anyone knows the number for the yami plugs that would be awesome.
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Old 12-11-2008, 12:38 AM   #2
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CR9e for teh yami
i personally would not use the honda plugs, i have seen what happens when the wrong plug is used and things go really wrong (such as piston hitting the plug).
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Old 12-11-2008, 12:39 AM   #3
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btw i got #s from sparkplugs.com
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Old 12-11-2008, 01:06 AM   #4
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how would these plugs differ from the cr9e? What does the h-9 stand for, temperature rating or something?
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Old 12-11-2008, 01:13 AM   #5
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the first 9 is the heat range.
they are both good on that.
the eh9 though i believe is not threaded the full length on the side going into the head, while the cr9e IS threaded all the way. They also have different pre set gaps.
so if you just drop them in you will have a plug that does not extend all the way to where it should, it may not seal properly to the head (wont crush the gasket right), and will have too much gap.

as much trouble as it is to replace plugs on sport bikes i would just get the right plugs.
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Old 12-11-2008, 01:20 AM   #6
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Yeah I agree with you on that. I just thought iwould check to see if there was a off chance these would work before I spent $40 on new plugs ya know.

Thank you sir
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Old 12-11-2008, 08:34 AM   #7
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You can find CR9E plugs online for like $2.50 a plug....shipped for 4 would be like $15. Shop around. Try www.ronayers.com
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Old 12-11-2008, 08:37 AM   #8
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I've got CR10EK's on my R6, I know 'cause I just pulled mine lastnight, with hardly any electrode left.
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Old 12-11-2008, 08:43 AM   #9
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Quote:
Originally Posted by TxBritt04R6 View Post
I've got CR10EK's on my R6, I know 'cause I just pulled mine lastnight, with hardly any electrode left.
interesting that yamaha actually made a multi ground plug the stock part.
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