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2002 YZ125 spark plug

This is a discussion on 2002 YZ125 spark plug within the 2-Stroke Motorcycles - Yamaha forum, part of the 2-Stroke Motorcycle Forums category; Hi, A friend just got a 02 YZ125 and has no clue what plug goes into it. Anyone have an ...

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  #1  
Old 03-30-2005, 08:50 AM
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Default 2002 YZ125 spark plug

Hi,
A friend just got a 02 YZ125 and has no clue what plug goes into it.
Anyone have an NGK part number? I am pretty sure it is a BR9Es or a BR8ES.

-thank you
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  #2  
Old 03-30-2005, 09:05 AM
Supperhawk_996's Avatar
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Default Re: 2002 YZ125 spark plug

You can go to the local dealer and they will pull it up for you.
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Old 03-30-2005, 09:07 AM
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Default Re: 2002 YZ125 spark plug

b9es or b9eg
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Old 03-30-2005, 11:18 AM
YzRacer#53's Avatar
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Default Re: 2002 YZ125 spark plug

I own a 02 yz125
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  #5  
Old 03-30-2005, 11:51 AM
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Default Re: 2002 YZ125 spark plug

Can you tell me the plugs that go into it? At least what is in the manual?
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Old 03-30-2005, 01:36 PM
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Default Re: 2002 YZ125 spark plug

It's an ngk br9eg according to my dennis kirk book.
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  #7  
Old 03-30-2005, 06:59 PM
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Default Re: 2002 YZ125 spark plug

Quote:
Originally Posted by mad_biker
It's an ngk br9eg according to my dennis kirk book.
Yeah that's what I was thinking.

I run BR9EIX which is a BR9EG except NGK's iridium version.

No problems with it.
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Old 03-31-2005, 11:32 AM
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Default I run BR9EIX which is a BR9EG except NGK's iridium version.

I also have an '02 YZ125 and run the iridium version with no plug fouls ever.
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Old 07-01-2005, 09:05 PM
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Default Re: 2002 YZ125 spark plug

almost everyone rides a BR9EG or B9ES, I run BR9EG and that has been the right spark plug to use for years and years for most mx bikes. Also, each spark plug heat range (the number from 1 to the next up or down) is 50 degrees farenheit so depending on where you live, what season it is and how the weather is at the time you may need a different heat.
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