Spark plug help for 02 YZ 426


7 replies to this topic
  • quartzite

Posted April 26, 2005 - 07:17 AM

#1

I recently ordered new plugs for my bike. The manuals lists CR8 as the type (NGK). I couldn't find those so I bought a CR8EB and CR8EIX from Rocky Mountain but the tops of the plugs wouldn't fit. :naughty: The stock spark plug has threads and is smaller at the top, whereas these guys

http://www.rockymoun...tv?pid=00039071

have a top that's solid and a few mm's larger than my stock plug.

I cleaned the stock plug and probably have a few more miles on it, but I'm looking for solutions. TT YZ crew? :naughty:

  • Daz_426_02

Posted April 26, 2005 - 09:41 AM

#2

Can you not just replace the spark plug cap?

  • Ga426owner

Posted April 26, 2005 - 10:39 AM

#3

I recently ordered new plugs for my bike. The manuals lists CR8 as the type (NGK). I couldn't find those so I bought a CR8EB and CR8EIX from Rocky Mountain but the tops of the plugs wouldn't fit. :naughty: The stock spark plug has threads and is smaller at the top, whereas these guys

http://www.rockymoun...tv?pid=00039071

have a top that's solid and a few mm's larger than my stock plug.

I cleaned the stock plug and probably have a few more miles on it, but I'm looking for solutions. TT YZ crew? :D


I'm confused...anyone else?
What bike do you have?
These are the plugs for all YZF 426/450 ----- NGK CR8E (standard)and NGK CR8EIX (Iridium) Unscrew the top alum plug from the top of the new sparkplug - it needs to be removed to fit into the stock sparkplug wire/cap....
Unless you are running a different sparkplug wire/cap....... :naughty:

  • quartzite

Posted April 26, 2005 - 11:53 AM

#4

:naughty: Ok, thanks guys, I'll try that.

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  • sanpedro426

Posted April 26, 2005 - 12:11 PM

#5

yea that peice on top thats too big SHOULD unscrew and youll be left with something you can use. :naughty: If im not mistaken all we need is the threaded post on top of the spark plug.

  • quartzite

Posted April 26, 2005 - 01:06 PM

#6

yea that peice on top thats too big SHOULD unscrew and youll be left with something you can use. :naughty: If im not mistaken all we need is the threaded post on top of the spark plug.


Thanks SP, this is my first dirt bike and I'm kind of unknowledgeable about a bunch of stuff. Things weren't fitting correctly and I wasn't going to :naughty: force the issue.

I don't know what I'd do without super sites like this one, thx again guys. :D

  • Ga426owner

Posted April 26, 2005 - 03:26 PM

#7

Thanks SP, this is my first dirt bike and I'm kind of unknowledgeable about a bunch of stuff. Things weren't fitting correctly and I wasn't going to :naughty: force the issue.

I don't know what I'd do without super sites like this one, thx again guys. :naughty:


Quartzite welcome to the dirt bike world and to TT. :D

  • MichiganMXer

Posted April 27, 2005 - 06:27 AM

#8

So dude, what do ya think of that 426?

Stepped into some big shoes there for a first bike.





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